Home / 52,140.27-78,215.88-17,082.66

Finding the Fourth Proportional to 52,140.27, 78,215.88 and 17,082.66

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Solution

The fourth proportional to 52,140.27, 78,215.88 and 17,082.66 is: 25,625.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,140.27 : 78,215.88 = 17,082.66 : x
  2. Step 2: Convert to fraction form
    52,140.27/78,215.88 = 17,082.66/x
  3. Step 3: Cross multiply
    52,140.27x = 78,215.88 × 17,082.66
  4. Step 4: Simplify right side
    52,140.27x = 1,336,135,284.64
  5. Step 5: Solve for x
    x = 1,336,135,284.64/52,140.27
  6. Step 6: Final answer
    x = 25,625.78

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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.