Home / 77,610.04-107,114.74-45,786.76

Finding the Fourth Proportional to 77,610.04, 107,114.74 and 45,786.76

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Solution

The fourth proportional to 77,610.04, 107,114.74 and 45,786.76 is: 63,193.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,610.04 : 107,114.74 = 45,786.76 : x
  2. Step 2: Convert to fraction form
    77,610.04/107,114.74 = 45,786.76/x
  3. Step 3: Cross multiply
    77,610.04x = 107,114.74 × 45,786.76
  4. Step 4: Simplify right side
    77,610.04x = 4,904,436,892.84
  5. Step 5: Solve for x
    x = 4,904,436,892.84/77,610.04
  6. Step 6: Final answer
    x = 63,193.33

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Half scale
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Double scale
Find fourth proportional to 77,611.04, 107,116.12 and 45,787.76
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.