Home / 52,140.52-78,216.25-17,082.91

Finding the Fourth Proportional to 52,140.52, 78,216.25 and 17,082.91

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Solution

The fourth proportional to 52,140.52, 78,216.25 and 17,082.91 is: 25,626.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,140.52 : 78,216.25 = 17,082.91 : x
  2. Step 2: Convert to fraction form
    52,140.52/78,216.25 = 17,082.91/x
  3. Step 3: Cross multiply
    52,140.52x = 78,216.25 × 17,082.91
  4. Step 4: Simplify right side
    52,140.52x = 1,336,161,159.29
  5. Step 5: Solve for x
    x = 1,336,161,159.29/52,140.52
  6. Step 6: Final answer
    x = 25,626.16

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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.