Home / 83,449.22-115,092.90-73,356.20

Finding the Fourth Proportional to 83,449.22, 115,092.90 and 73,356.20

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Solution

The fourth proportional to 83,449.22, 115,092.90 and 73,356.20 is: 101,172.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,449.22 : 115,092.90 = 73,356.20 : x
  2. Step 2: Convert to fraction form
    83,449.22/115,092.90 = 73,356.20/x
  3. Step 3: Cross multiply
    83,449.22x = 115,092.90 × 73,356.20
  4. Step 4: Simplify right side
    83,449.22x = 8,442,777,790.98
  5. Step 5: Solve for x
    x = 8,442,777,790.98/83,449.22
  6. Step 6: Final answer
    x = 101,172.64

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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.