Home / 52,589.89-78,932.22-38,371.15

Finding the Fourth Proportional to 52,589.89, 78,932.22 and 38,371.15

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Solution

The fourth proportional to 52,589.89, 78,932.22 and 38,371.15 is: 57,591.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,589.89 : 78,932.22 = 38,371.15 : x
  2. Step 2: Convert to fraction form
    52,589.89/78,932.22 = 38,371.15/x
  3. Step 3: Cross multiply
    52,589.89x = 78,932.22 × 38,371.15
  4. Step 4: Simplify right side
    52,589.89x = 3,028,720,053.45
  5. Step 5: Solve for x
    x = 3,028,720,053.45/52,589.89
  6. Step 6: Final answer
    x = 57,591.30

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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.