Home / 57,348.80-86,023.16-17,909.29

Finding the Fourth Proportional to 57,348.80, 86,023.16 and 17,909.29

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Solution

The fourth proportional to 57,348.80, 86,023.16 and 17,909.29 is: 26,863.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,348.80 : 86,023.16 = 17,909.29 : x
  2. Step 2: Convert to fraction form
    57,348.80/86,023.16 = 17,909.29/x
  3. Step 3: Cross multiply
    57,348.80x = 86,023.16 × 17,909.29
  4. Step 4: Simplify right side
    57,348.80x = 1,540,613,719.16
  5. Step 5: Solve for x
    x = 1,540,613,719.16/57,348.80
  6. Step 6: Final answer
    x = 26,863.92

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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.