Home / 61,705.92-85,195.61-57,468.13

Finding the Fourth Proportional to 61,705.92, 85,195.61 and 57,468.13

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Solution

The fourth proportional to 61,705.92, 85,195.61 and 57,468.13 is: 79,344.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,705.92 : 85,195.61 = 57,468.13 : x
  2. Step 2: Convert to fraction form
    61,705.92/85,195.61 = 57,468.13/x
  3. Step 3: Cross multiply
    61,705.92x = 85,195.61 × 57,468.13
  4. Step 4: Simplify right side
    61,705.92x = 4,896,032,390.91
  5. Step 5: Solve for x
    x = 4,896,032,390.91/61,705.92
  6. Step 6: Final answer
    x = 79,344.61

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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.