Home / 83,344.20-114,986.40-47,508.36

Finding the Fourth Proportional to 83,344.20, 114,986.40 and 47,508.36

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Solution

The fourth proportional to 83,344.20, 114,986.40 and 47,508.36 is: 65,545.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,344.20 : 114,986.40 = 47,508.36 : x
  2. Step 2: Convert to fraction form
    83,344.20/114,986.40 = 47,508.36/x
  3. Step 3: Cross multiply
    83,344.20x = 114,986.40 × 47,508.36
  4. Step 4: Simplify right side
    83,344.20x = 5,462,815,286.30
  5. Step 5: Solve for x
    x = 5,462,815,286.30/83,344.20
  6. Step 6: Final answer
    x = 65,545.24

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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.