Home / 73,141.29-109,711.92-19,833.57

Finding the Fourth Proportional to 73,141.29, 109,711.92 and 19,833.57

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Solution

The fourth proportional to 73,141.29, 109,711.92 and 19,833.57 is: 29,750.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,141.29 : 109,711.92 = 19,833.57 : x
  2. Step 2: Convert to fraction form
    73,141.29/109,711.92 = 19,833.57/x
  3. Step 3: Cross multiply
    73,141.29x = 109,711.92 × 19,833.57
  4. Step 4: Simplify right side
    73,141.29x = 2,175,979,045.15
  5. Step 5: Solve for x
    x = 2,175,979,045.15/73,141.29
  6. Step 6: Final answer
    x = 29,750.35

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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.