Home / 57,991.08-87,020.07-31,337.13

Finding the Fourth Proportional to 57,991.08, 87,020.07 and 31,337.13

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Solution

The fourth proportional to 57,991.08, 87,020.07 and 31,337.13 is: 47,023.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,991.08 : 87,020.07 = 31,337.13 : x
  2. Step 2: Convert to fraction form
    57,991.08/87,020.07 = 31,337.13/x
  3. Step 3: Cross multiply
    57,991.08x = 87,020.07 × 31,337.13
  4. Step 4: Simplify right side
    57,991.08x = 2,726,959,246.20
  5. Step 5: Solve for x
    x = 2,726,959,246.20/57,991.08
  6. Step 6: Final answer
    x = 47,023.77

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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.