Home / 87,529.97-131,294.96-69,917.33

Finding the Fourth Proportional to 87,529.97, 131,294.96 and 69,917.33

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Solution

The fourth proportional to 87,529.97, 131,294.96 and 69,917.33 is: 104,876.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,529.97 : 131,294.96 = 69,917.33 : x
  2. Step 2: Convert to fraction form
    87,529.97/131,294.96 = 69,917.33/x
  3. Step 3: Cross multiply
    87,529.97x = 131,294.96 × 69,917.33
  4. Step 4: Simplify right side
    87,529.97x = 9,179,793,045.66
  5. Step 5: Solve for x
    x = 9,179,793,045.66/87,529.97
  6. Step 6: Final answer
    x = 104,876.00

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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.