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Finding the Fourth Proportional to 63,376.52, 87,465.68 and 35,082.20

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Solution

The fourth proportional to 63,376.52, 87,465.68 and 35,082.20 is: 48,416.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,376.52 : 87,465.68 = 35,082.20 : x
  2. Step 2: Convert to fraction form
    63,376.52/87,465.68 = 35,082.20/x
  3. Step 3: Cross multiply
    63,376.52x = 87,465.68 × 35,082.20
  4. Step 4: Simplify right side
    63,376.52x = 3,068,487,866.16
  5. Step 5: Solve for x
    x = 3,068,487,866.16/63,376.52
  6. Step 6: Final answer
    x = 48,416.80

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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.