Home / 80,625.28-120,854.40-58,383.04

Finding the Fourth Proportional to 80,625.28, 120,854.40 and 58,383.04

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Solution

The fourth proportional to 80,625.28, 120,854.40 and 58,383.04 is: 87,514.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,625.28 : 120,854.40 = 58,383.04 : x
  2. Step 2: Convert to fraction form
    80,625.28/120,854.40 = 58,383.04/x
  3. Step 3: Cross multiply
    80,625.28x = 120,854.40 × 58,383.04
  4. Step 4: Simplify right side
    80,625.28x = 7,055,847,269.38
  5. Step 5: Solve for x
    x = 7,055,847,269.38/80,625.28
  6. Step 6: Final answer
    x = 87,514.08

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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.