Home / 71,434.65-107,144.45-29,319.18

Finding the Fourth Proportional to 71,434.65, 107,144.45 and 29,319.18

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Solution

The fourth proportional to 71,434.65, 107,144.45 and 29,319.18 is: 43,975.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,434.65 : 107,144.45 = 29,319.18 : x
  2. Step 2: Convert to fraction form
    71,434.65/107,144.45 = 29,319.18/x
  3. Step 3: Cross multiply
    71,434.65x = 107,144.45 × 29,319.18
  4. Step 4: Simplify right side
    71,434.65x = 3,141,387,415.55
  5. Step 5: Solve for x
    x = 3,141,387,415.55/71,434.65
  6. Step 6: Final answer
    x = 43,975.68

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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.