Home / 57,182.16-85,781.52-17,742.48

Finding the Fourth Proportional to 57,182.16, 85,781.52 and 17,742.48

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Solution

The fourth proportional to 57,182.16, 85,781.52 and 17,742.48 is: 26,616.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,182.16 : 85,781.52 = 17,742.48 : x
  2. Step 2: Convert to fraction form
    57,182.16/85,781.52 = 17,742.48/x
  3. Step 3: Cross multiply
    57,182.16x = 85,781.52 × 17,742.48
  4. Step 4: Simplify right side
    57,182.16x = 1,521,976,902.97
  5. Step 5: Solve for x
    x = 1,521,976,902.97/57,182.16
  6. Step 6: Final answer
    x = 26,616.29

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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.