Home / 91,724.56-137,572.09-25,149.24

Finding the Fourth Proportional to 91,724.56, 137,572.09 and 25,149.24

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Solution

The fourth proportional to 91,724.56, 137,572.09 and 25,149.24 is: 37,719.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,724.56 : 137,572.09 = 25,149.24 : x
  2. Step 2: Convert to fraction form
    91,724.56/137,572.09 = 25,149.24/x
  3. Step 3: Cross multiply
    91,724.56x = 137,572.09 × 25,149.24
  4. Step 4: Simplify right side
    91,724.56x = 3,459,833,508.71
  5. Step 5: Solve for x
    x = 3,459,833,508.71/91,724.56
  6. Step 6: Final answer
    x = 37,719.82

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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.