Home / 77,213.44-106,535.28-45,376.12

Finding the Fourth Proportional to 77,213.44, 106,535.28 and 45,376.12

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Solution

The fourth proportional to 77,213.44, 106,535.28 and 45,376.12 is: 62,607.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,213.44 : 106,535.28 = 45,376.12 : x
  2. Step 2: Convert to fraction form
    77,213.44/106,535.28 = 45,376.12/x
  3. Step 3: Cross multiply
    77,213.44x = 106,535.28 × 45,376.12
  4. Step 4: Simplify right side
    77,213.44x = 4,834,157,649.51
  5. Step 5: Solve for x
    x = 4,834,157,649.51/77,213.44
  6. Step 6: Final answer
    x = 62,607.72

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Double scale
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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.