Home / 57,499.27-86,161.12-38,709.90

Finding the Fourth Proportional to 57,499.27, 86,161.12 and 38,709.90

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Solution

The fourth proportional to 57,499.27, 86,161.12 and 38,709.90 is: 58,005.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,499.27 : 86,161.12 = 38,709.90 : x
  2. Step 2: Convert to fraction form
    57,499.27/86,161.12 = 38,709.90/x
  3. Step 3: Cross multiply
    57,499.27x = 86,161.12 × 38,709.90
  4. Step 4: Simplify right side
    57,499.27x = 3,335,288,242.31
  5. Step 5: Solve for x
    x = 3,335,288,242.31/57,499.27
  6. Step 6: Final answer
    x = 58,005.75

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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.