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Finding the Fourth Proportional to 63,418.56, 87,517.56 and 35,126.04

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Solution

The fourth proportional to 63,418.56, 87,517.56 and 35,126.04 is: 48,473.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,418.56 : 87,517.56 = 35,126.04 : x
  2. Step 2: Convert to fraction form
    63,418.56/87,517.56 = 35,126.04/x
  3. Step 3: Cross multiply
    63,418.56x = 87,517.56 × 35,126.04
  4. Step 4: Simplify right side
    63,418.56x = 3,074,145,313.26
  5. Step 5: Solve for x
    x = 3,074,145,313.26/63,418.56
  6. Step 6: Final answer
    x = 48,473.91

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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.