Home / 71,949.17-107,954.84-38,630.33

Finding the Fourth Proportional to 71,949.17, 107,954.84 and 38,630.33

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Solution

The fourth proportional to 71,949.17, 107,954.84 and 38,630.33 is: 57,962.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,949.17 : 107,954.84 = 38,630.33 : x
  2. Step 2: Convert to fraction form
    71,949.17/107,954.84 = 38,630.33/x
  3. Step 3: Cross multiply
    71,949.17x = 107,954.84 × 38,630.33
  4. Step 4: Simplify right side
    71,949.17x = 4,170,330,651.10
  5. Step 5: Solve for x
    x = 4,170,330,651.10/71,949.17
  6. Step 6: Final answer
    x = 57,962.18

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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.