Home / 71,375.38-107,035.38-38,077.27

Finding the Fourth Proportional to 71,375.38, 107,035.38 and 38,077.27

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Solution

The fourth proportional to 71,375.38, 107,035.38 and 38,077.27 is: 57,101.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,375.38 : 107,035.38 = 38,077.27 : x
  2. Step 2: Convert to fraction form
    71,375.38/107,035.38 = 38,077.27/x
  3. Step 3: Cross multiply
    71,375.38x = 107,035.38 × 38,077.27
  4. Step 4: Simplify right side
    71,375.38x = 4,075,615,063.81
  5. Step 5: Solve for x
    x = 4,075,615,063.81/71,375.38
  6. Step 6: Final answer
    x = 57,101.13

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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.