Home / 72,098.19-108,159.57-22,177.20

Finding the Fourth Proportional to 72,098.19, 108,159.57 and 22,177.20

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Solution

The fourth proportional to 72,098.19, 108,159.57 and 22,177.20 is: 33,269.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,098.19 : 108,159.57 = 22,177.20 : x
  2. Step 2: Convert to fraction form
    72,098.19/108,159.57 = 22,177.20/x
  3. Step 3: Cross multiply
    72,098.19x = 108,159.57 × 22,177.20
  4. Step 4: Simplify right side
    72,098.19x = 2,398,676,415.80
  5. Step 5: Solve for x
    x = 2,398,676,415.80/72,098.19
  6. Step 6: Final answer
    x = 33,269.58

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1.5x scale

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.