Home / 80,549.82-111,158.88-44,738.92

Finding the Fourth Proportional to 80,549.82, 111,158.88 and 44,738.92

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Solution

The fourth proportional to 80,549.82, 111,158.88 and 44,738.92 is: 61,739.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,549.82 : 111,158.88 = 44,738.92 : x
  2. Step 2: Convert to fraction form
    80,549.82/111,158.88 = 44,738.92/x
  3. Step 3: Cross multiply
    80,549.82x = 111,158.88 × 44,738.92
  4. Step 4: Simplify right side
    80,549.82x = 4,973,128,239.61
  5. Step 5: Solve for x
    x = 4,973,128,239.61/80,549.82
  6. Step 6: Final answer
    x = 61,739.78

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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.