Home / 57,939.30-86,892.21-26,331.75

Finding the Fourth Proportional to 57,939.30, 86,892.21 and 26,331.75

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Solution

The fourth proportional to 57,939.30, 86,892.21 and 26,331.75 is: 39,490.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,939.30 : 86,892.21 = 26,331.75 : x
  2. Step 2: Convert to fraction form
    57,939.30/86,892.21 = 26,331.75/x
  3. Step 3: Cross multiply
    57,939.30x = 86,892.21 × 26,331.75
  4. Step 4: Simplify right side
    57,939.30x = 2,288,023,950.67
  5. Step 5: Solve for x
    x = 2,288,023,950.67/57,939.30
  6. Step 6: Final answer
    x = 39,490.02

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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.