Home / 87,472.04-131,193.99-31,301.69

Finding the Fourth Proportional to 87,472.04, 131,193.99 and 31,301.69

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Solution

The fourth proportional to 87,472.04, 131,193.99 and 31,301.69 is: 46,947.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,472.04 : 131,193.99 = 31,301.69 : x
  2. Step 2: Convert to fraction form
    87,472.04/131,193.99 = 31,301.69/x
  3. Step 3: Cross multiply
    87,472.04x = 131,193.99 × 31,301.69
  4. Step 4: Simplify right side
    87,472.04x = 4,106,592,948.87
  5. Step 5: Solve for x
    x = 4,106,592,948.87/87,472.04
  6. Step 6: Final answer
    x = 46,947.50

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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.