Home / 52,082.40-78,100.56-15,149.28

Finding the Fourth Proportional to 52,082.40, 78,100.56 and 15,149.28

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Solution

The fourth proportional to 52,082.40, 78,100.56 and 15,149.28 is: 22,717.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,082.40 : 78,100.56 = 15,149.28 : x
  2. Step 2: Convert to fraction form
    52,082.40/78,100.56 = 15,149.28/x
  3. Step 3: Cross multiply
    52,082.40x = 78,100.56 × 15,149.28
  4. Step 4: Simplify right side
    52,082.40x = 1,183,167,251.60
  5. Step 5: Solve for x
    x = 1,183,167,251.60/52,082.40
  6. Step 6: Final answer
    x = 22,717.22

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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.