Home / 99,565.38-137,391.08-59,288.94

Finding the Fourth Proportional to 99,565.38, 137,391.08 and 59,288.94

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Solution

The fourth proportional to 99,565.38, 137,391.08 and 59,288.94 is: 81,813.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,565.38 : 137,391.08 = 59,288.94 : x
  2. Step 2: Convert to fraction form
    99,565.38/137,391.08 = 59,288.94/x
  3. Step 3: Cross multiply
    99,565.38x = 137,391.08 × 59,288.94
  4. Step 4: Simplify right side
    99,565.38x = 8,145,771,498.66
  5. Step 5: Solve for x
    x = 8,145,771,498.66/99,565.38
  6. Step 6: Final answer
    x = 81,813.29

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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.