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Finding the Fourth Proportional to 89,737.79, 134,627.62 and 29,761.88

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Solution

The fourth proportional to 89,737.79, 134,627.62 and 29,761.88 is: 44,649.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,737.79 : 134,627.62 = 29,761.88 : x
  2. Step 2: Convert to fraction form
    89,737.79/134,627.62 = 29,761.88/x
  3. Step 3: Cross multiply
    89,737.79x = 134,627.62 × 29,761.88
  4. Step 4: Simplify right side
    89,737.79x = 4,006,771,136.67
  5. Step 5: Solve for x
    x = 4,006,771,136.67/89,737.79
  6. Step 6: Final answer
    x = 44,649.76

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1.5x scale

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.