Home / 43,397.13-65,082.45-15,310.62

Finding the Fourth Proportional to 43,397.13, 65,082.45 and 15,310.62

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Solution

The fourth proportional to 43,397.13, 65,082.45 and 15,310.62 is: 22,961.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,397.13 : 65,082.45 = 15,310.62 : x
  2. Step 2: Convert to fraction form
    43,397.13/65,082.45 = 15,310.62/x
  3. Step 3: Cross multiply
    43,397.13x = 65,082.45 × 15,310.62
  4. Step 4: Simplify right side
    43,397.13x = 996,452,871.48
  5. Step 5: Solve for x
    x = 996,452,871.48/43,397.13
  6. Step 6: Final answer
    x = 22,961.26

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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.