Home / 66,545.43-99,836.10-29,108.85

Finding the Fourth Proportional to 66,545.43, 99,836.10 and 29,108.85

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Solution

The fourth proportional to 66,545.43, 99,836.10 and 29,108.85 is: 43,671.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,545.43 : 99,836.10 = 29,108.85 : x
  2. Step 2: Convert to fraction form
    66,545.43/99,836.10 = 29,108.85/x
  3. Step 3: Cross multiply
    66,545.43x = 99,836.10 × 29,108.85
  4. Step 4: Simplify right side
    66,545.43x = 2,906,114,059.49
  5. Step 5: Solve for x
    x = 2,906,114,059.49/66,545.43
  6. Step 6: Final answer
    x = 43,671.13

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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.