Home / 71,046.87-98,044.22-38,781.36

Finding the Fourth Proportional to 71,046.87, 98,044.22 and 38,781.36

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Solution

The fourth proportional to 71,046.87, 98,044.22 and 38,781.36 is: 53,518.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,046.87 : 98,044.22 = 38,781.36 : x
  2. Step 2: Convert to fraction form
    71,046.87/98,044.22 = 38,781.36/x
  3. Step 3: Cross multiply
    71,046.87x = 98,044.22 × 38,781.36
  4. Step 4: Simplify right side
    71,046.87x = 3,802,287,997.83
  5. Step 5: Solve for x
    x = 3,802,287,997.83/71,046.87
  6. Step 6: Final answer
    x = 53,518.02

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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.