Home / 80,843.18-111,559.86-45,032.84

Finding the Fourth Proportional to 80,843.18, 111,559.86 and 45,032.84

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Solution

The fourth proportional to 80,843.18, 111,559.86 and 45,032.84 is: 62,143.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,843.18 : 111,559.86 = 45,032.84 : x
  2. Step 2: Convert to fraction form
    80,843.18/111,559.86 = 45,032.84/x
  3. Step 3: Cross multiply
    80,843.18x = 111,559.86 × 45,032.84
  4. Step 4: Simplify right side
    80,843.18x = 5,023,857,325.80
  5. Step 5: Solve for x
    x = 5,023,857,325.80/80,843.18
  6. Step 6: Final answer
    x = 62,143.24

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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.