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Finding the Fourth Proportional to 63,737.76, 87,897.84 and 48,603.84

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Solution

The fourth proportional to 63,737.76, 87,897.84 and 48,603.84 is: 67,027.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,737.76 : 87,897.84 = 48,603.84 : x
  2. Step 2: Convert to fraction form
    63,737.76/87,897.84 = 48,603.84/x
  3. Step 3: Cross multiply
    63,737.76x = 87,897.84 × 48,603.84
  4. Step 4: Simplify right side
    63,737.76x = 4,272,172,551.71
  5. Step 5: Solve for x
    x = 4,272,172,551.71/63,737.76
  6. Step 6: Final answer
    x = 67,027.34

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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.