Home / 72,043.09-108,073.25-22,116.62

Finding the Fourth Proportional to 72,043.09, 108,073.25 and 22,116.62

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Solution

The fourth proportional to 72,043.09, 108,073.25 and 22,116.62 is: 33,177.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,043.09 : 108,073.25 = 22,116.62 : x
  2. Step 2: Convert to fraction form
    72,043.09/108,073.25 = 22,116.62/x
  3. Step 3: Cross multiply
    72,043.09x = 108,073.25 × 22,116.62
  4. Step 4: Simplify right side
    72,043.09x = 2,390,215,002.42
  5. Step 5: Solve for x
    x = 2,390,215,002.42/72,043.09
  6. Step 6: Final answer
    x = 33,177.57

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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.