Home / 72,077.04-108,082.62-22,139.73

Finding the Fourth Proportional to 72,077.04, 108,082.62 and 22,139.73

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Solution

The fourth proportional to 72,077.04, 108,082.62 and 22,139.73 is: 33,199.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,077.04 : 108,082.62 = 22,139.73 : x
  2. Step 2: Convert to fraction form
    72,077.04/108,082.62 = 22,139.73/x
  3. Step 3: Cross multiply
    72,077.04x = 108,082.62 × 22,139.73
  4. Step 4: Simplify right side
    72,077.04x = 2,392,920,024.49
  5. Step 5: Solve for x
    x = 2,392,920,024.49/72,077.04
  6. Step 6: Final answer
    x = 33,199.48

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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.