Home / 52,581.15-78,884.28-17,521.11

Finding the Fourth Proportional to 52,581.15, 78,884.28 and 17,521.11

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Solution

The fourth proportional to 52,581.15, 78,884.28 and 17,521.11 is: 26,285.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,581.15 : 78,884.28 = 17,521.11 : x
  2. Step 2: Convert to fraction form
    52,581.15/78,884.28 = 17,521.11/x
  3. Step 3: Cross multiply
    52,581.15x = 78,884.28 × 17,521.11
  4. Step 4: Simplify right side
    52,581.15x = 1,382,140,147.15
  5. Step 5: Solve for x
    x = 1,382,140,147.15/52,581.15
  6. Step 6: Final answer
    x = 26,285.85

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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.