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Finding the Fourth Proportional to 59,720.43, 82,414.80 and 34,226.22

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Solution

The fourth proportional to 59,720.43, 82,414.80 and 34,226.22 is: 47,232.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,720.43 : 82,414.80 = 34,226.22 : x
  2. Step 2: Convert to fraction form
    59,720.43/82,414.80 = 34,226.22/x
  3. Step 3: Cross multiply
    59,720.43x = 82,414.80 × 34,226.22
  4. Step 4: Simplify right side
    59,720.43x = 2,820,747,076.06
  5. Step 5: Solve for x
    x = 2,820,747,076.06/59,720.43
  6. Step 6: Final answer
    x = 47,232.53

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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.