Home / 80,842.24-111,522.18-54,020.71

Finding the Fourth Proportional to 80,842.24, 111,522.18 and 54,020.71

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Solution

The fourth proportional to 80,842.24, 111,522.18 and 54,020.71 is: 74,521.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,842.24 : 111,522.18 = 54,020.71 : x
  2. Step 2: Convert to fraction form
    80,842.24/111,522.18 = 54,020.71/x
  3. Step 3: Cross multiply
    80,842.24x = 111,522.18 × 54,020.71
  4. Step 4: Simplify right side
    80,842.24x = 6,024,507,344.35
  5. Step 5: Solve for x
    x = 6,024,507,344.35/80,842.24
  6. Step 6: Final answer
    x = 74,521.78

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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.