Home / 109,921.52-151,691.66-62,173.84

Finding the Fourth Proportional to 109,921.52, 151,691.66 and 62,173.84

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Solution

The fourth proportional to 109,921.52, 151,691.66 and 62,173.84 is: 85,799.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,921.52 : 151,691.66 = 62,173.84 : x
  2. Step 2: Convert to fraction form
    109,921.52/151,691.66 = 62,173.84/x
  3. Step 3: Cross multiply
    109,921.52x = 151,691.66 × 62,173.84
  4. Step 4: Simplify right side
    109,921.52x = 9,431,252,998.17
  5. Step 5: Solve for x
    x = 9,431,252,998.17/109,921.52
  6. Step 6: Final answer
    x = 85,799.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.