Home / 77,705.34-107,233.20-43,713.84

Finding the Fourth Proportional to 77,705.34, 107,233.20 and 43,713.84

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Solution

The fourth proportional to 77,705.34, 107,233.20 and 43,713.84 is: 60,325.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,705.34 : 107,233.20 = 43,713.84 : x
  2. Step 2: Convert to fraction form
    77,705.34/107,233.20 = 43,713.84/x
  3. Step 3: Cross multiply
    77,705.34x = 107,233.20 × 43,713.84
  4. Step 4: Simplify right side
    77,705.34x = 4,687,575,349.61
  5. Step 5: Solve for x
    x = 4,687,575,349.61/77,705.34
  6. Step 6: Final answer
    x = 60,325.01

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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.