Home / 107,549.26-161,345.43-60,231.66

Finding the Fourth Proportional to 107,549.26, 161,345.43 and 60,231.66

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Solution

The fourth proportional to 107,549.26, 161,345.43 and 60,231.66 is: 90,359.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,549.26 : 161,345.43 = 60,231.66 : x
  2. Step 2: Convert to fraction form
    107,549.26/161,345.43 = 60,231.66/x
  3. Step 3: Cross multiply
    107,549.26x = 161,345.43 × 60,231.66
  4. Step 4: Simplify right side
    107,549.26x = 9,718,103,082.31
  5. Step 5: Solve for x
    x = 9,718,103,082.31/107,549.26
  6. Step 6: Final answer
    x = 90,359.55

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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.