Home / 71,822.85-107,734.32-34,374.12

Finding the Fourth Proportional to 71,822.85, 107,734.32 and 34,374.12

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Solution

The fourth proportional to 71,822.85, 107,734.32 and 34,374.12 is: 51,561.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,822.85 : 107,734.32 = 34,374.12 : x
  2. Step 2: Convert to fraction form
    71,822.85/107,734.32 = 34,374.12/x
  3. Step 3: Cross multiply
    71,822.85x = 107,734.32 × 34,374.12
  4. Step 4: Simplify right side
    71,822.85x = 3,703,272,443.80
  5. Step 5: Solve for x
    x = 3,703,272,443.80/71,822.85
  6. Step 6: Final answer
    x = 51,561.20

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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.