Home / 87,592.43-120,877.53-47,306.21

Finding the Fourth Proportional to 87,592.43, 120,877.53 and 47,306.21

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Solution

The fourth proportional to 87,592.43, 120,877.53 and 47,306.21 is: 65,282.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,592.43 : 120,877.53 = 47,306.21 : x
  2. Step 2: Convert to fraction form
    87,592.43/120,877.53 = 47,306.21/x
  3. Step 3: Cross multiply
    87,592.43x = 120,877.53 × 47,306.21
  4. Step 4: Simplify right side
    87,592.43x = 5,718,257,036.68
  5. Step 5: Solve for x
    x = 5,718,257,036.68/87,592.43
  6. Step 6: Final answer
    x = 65,282.55

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1.5x scale

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.