Home / 57,724.50-79,661.04-31,882.92

Finding the Fourth Proportional to 57,724.50, 79,661.04 and 31,882.92

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Solution

The fourth proportional to 57,724.50, 79,661.04 and 31,882.92 is: 43,999.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,724.50 : 79,661.04 = 31,882.92 : x
  2. Step 2: Convert to fraction form
    57,724.50/79,661.04 = 31,882.92/x
  3. Step 3: Cross multiply
    57,724.50x = 79,661.04 × 31,882.92
  4. Step 4: Simplify right side
    57,724.50x = 2,539,826,565.44
  5. Step 5: Solve for x
    x = 2,539,826,565.44/57,724.50
  6. Step 6: Final answer
    x = 43,999.11

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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.