Home / 71,017.29-106,424.44-52,149.31

Finding the Fourth Proportional to 71,017.29, 106,424.44 and 52,149.31

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Solution

The fourth proportional to 71,017.29, 106,424.44 and 52,149.31 is: 78,149.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,017.29 : 106,424.44 = 52,149.31 : x
  2. Step 2: Convert to fraction form
    71,017.29/106,424.44 = 52,149.31/x
  3. Step 3: Cross multiply
    71,017.29x = 106,424.44 × 52,149.31
  4. Step 4: Simplify right side
    71,017.29x = 5,549,960,716.70
  5. Step 5: Solve for x
    x = 5,549,960,716.70/71,017.29
  6. Step 6: Final answer
    x = 78,149.43

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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.