Home / 57,478.20-86,061.51-29,717.88

Finding the Fourth Proportional to 57,478.20, 86,061.51 and 29,717.88

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Solution

The fourth proportional to 57,478.20, 86,061.51 and 29,717.88 is: 44,496.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,478.20 : 86,061.51 = 29,717.88 : x
  2. Step 2: Convert to fraction form
    57,478.20/86,061.51 = 29,717.88/x
  3. Step 3: Cross multiply
    57,478.20x = 86,061.51 × 29,717.88
  4. Step 4: Simplify right side
    57,478.20x = 2,557,565,626.80
  5. Step 5: Solve for x
    x = 2,557,565,626.80/57,478.20
  6. Step 6: Final answer
    x = 44,496.27

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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.