Home / 99,793.27-137,745.24-61,564.71

Finding the Fourth Proportional to 99,793.27, 137,745.24 and 61,564.71

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Solution

The fourth proportional to 99,793.27, 137,745.24 and 61,564.71 is: 84,978.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,793.27 : 137,745.24 = 61,564.71 : x
  2. Step 2: Convert to fraction form
    99,793.27/137,745.24 = 61,564.71/x
  3. Step 3: Cross multiply
    99,793.27x = 137,745.24 × 61,564.71
  4. Step 4: Simplify right side
    99,793.27x = 8,480,245,446.66
  5. Step 5: Solve for x
    x = 8,480,245,446.66/99,793.27
  6. Step 6: Final answer
    x = 84,978.13

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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.