Home / 107,773.36-161,744.28-74,726.20

Finding the Fourth Proportional to 107,773.36, 161,744.28 and 74,726.20

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Solution

The fourth proportional to 107,773.36, 161,744.28 and 74,726.20 is: 112,147.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,773.36 : 161,744.28 = 74,726.20 : x
  2. Step 2: Convert to fraction form
    107,773.36/161,744.28 = 74,726.20/x
  3. Step 3: Cross multiply
    107,773.36x = 161,744.28 × 74,726.20
  4. Step 4: Simplify right side
    107,773.36x = 12,086,535,416.14
  5. Step 5: Solve for x
    x = 12,086,535,416.14/107,773.36
  6. Step 6: Final answer
    x = 112,147.71

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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.