Home / 71,514.78-107,301.33-57,605.46

Finding the Fourth Proportional to 71,514.78, 107,301.33 and 57,605.46

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Solution

The fourth proportional to 71,514.78, 107,301.33 and 57,605.46 is: 86,431.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,514.78 : 107,301.33 = 57,605.46 : x
  2. Step 2: Convert to fraction form
    71,514.78/107,301.33 = 57,605.46/x
  3. Step 3: Cross multiply
    71,514.78x = 107,301.33 × 57,605.46
  4. Step 4: Simplify right side
    71,514.78x = 6,181,142,473.26
  5. Step 5: Solve for x
    x = 6,181,142,473.26/71,514.78
  6. Step 6: Final answer
    x = 86,431.68

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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.