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Finding the Fourth Proportional to 92,951.60, 139,384.80 and 29,759.48

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Solution

The fourth proportional to 92,951.60, 139,384.80 and 29,759.48 is: 44,625.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,951.60 : 139,384.80 = 29,759.48 : x
  2. Step 2: Convert to fraction form
    92,951.60/139,384.80 = 29,759.48/x
  3. Step 3: Cross multiply
    92,951.60x = 139,384.80 × 29,759.48
  4. Step 4: Simplify right side
    92,951.60x = 4,148,019,167.90
  5. Step 5: Solve for x
    x = 4,148,019,167.90/92,951.60
  6. Step 6: Final answer
    x = 44,625.58

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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.