Home / 71,175.48-98,222.76-39,344.92

Finding the Fourth Proportional to 71,175.48, 98,222.76 and 39,344.92

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Solution

The fourth proportional to 71,175.48, 98,222.76 and 39,344.92 is: 54,296.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,175.48 : 98,222.76 = 39,344.92 : x
  2. Step 2: Convert to fraction form
    71,175.48/98,222.76 = 39,344.92/x
  3. Step 3: Cross multiply
    71,175.48x = 98,222.76 × 39,344.92
  4. Step 4: Simplify right side
    71,175.48x = 3,864,566,634.38
  5. Step 5: Solve for x
    x = 3,864,566,634.38/71,175.48
  6. Step 6: Final answer
    x = 54,296.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.