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Finding the Fourth Proportional to 63,935.70, 95,903.55 and 52,125.90

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Solution

The fourth proportional to 63,935.70, 95,903.55 and 52,125.90 is: 78,188.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,935.70 : 95,903.55 = 52,125.90 : x
  2. Step 2: Convert to fraction form
    63,935.70/95,903.55 = 52,125.90/x
  3. Step 3: Cross multiply
    63,935.70x = 95,903.55 × 52,125.90
  4. Step 4: Simplify right side
    63,935.70x = 4,999,058,856.95
  5. Step 5: Solve for x
    x = 4,999,058,856.95/63,935.70
  6. Step 6: Final answer
    x = 78,188.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.