Home / 71,439.98-107,135.33-29,308.16

Finding the Fourth Proportional to 71,439.98, 107,135.33 and 29,308.16

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Solution

The fourth proportional to 71,439.98, 107,135.33 and 29,308.16 is: 43,952.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,439.98 : 107,135.33 = 29,308.16 : x
  2. Step 2: Convert to fraction form
    71,439.98/107,135.33 = 29,308.16/x
  3. Step 3: Cross multiply
    71,439.98x = 107,135.33 × 29,308.16
  4. Step 4: Simplify right side
    71,439.98x = 3,139,939,514.59
  5. Step 5: Solve for x
    x = 3,139,939,514.59/71,439.98
  6. Step 6: Final answer
    x = 43,952.14

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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.