Home / 60,724.20-91,064.38-25,666.56

Finding the Fourth Proportional to 60,724.20, 91,064.38 and 25,666.56

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Solution

The fourth proportional to 60,724.20, 91,064.38 and 25,666.56 is: 38,490.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,724.20 : 91,064.38 = 25,666.56 : x
  2. Step 2: Convert to fraction form
    60,724.20/91,064.38 = 25,666.56/x
  3. Step 3: Cross multiply
    60,724.20x = 91,064.38 × 25,666.56
  4. Step 4: Simplify right side
    60,724.20x = 2,337,309,373.13
  5. Step 5: Solve for x
    x = 2,337,309,373.13/60,724.20
  6. Step 6: Final answer
    x = 38,490.57

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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.