Home / 107,883.28-161,677.14-68,468.05

Finding the Fourth Proportional to 107,883.28, 161,677.14 and 68,468.05

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Solution

The fourth proportional to 107,883.28, 161,677.14 and 68,468.05 is: 102,608.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,883.28 : 161,677.14 = 68,468.05 : x
  2. Step 2: Convert to fraction form
    107,883.28/161,677.14 = 68,468.05/x
  3. Step 3: Cross multiply
    107,883.28x = 161,677.14 × 68,468.05
  4. Step 4: Simplify right side
    107,883.28x = 11,069,718,505.38
  5. Step 5: Solve for x
    x = 11,069,718,505.38/107,883.28
  6. Step 6: Final answer
    x = 102,608.29

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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.