Home / 80,298.88-120,459.24-27,712.46

Finding the Fourth Proportional to 80,298.88, 120,459.24 and 27,712.46

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Solution

The fourth proportional to 80,298.88, 120,459.24 and 27,712.46 is: 41,572.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,298.88 : 120,459.24 = 27,712.46 : x
  2. Step 2: Convert to fraction form
    80,298.88/120,459.24 = 27,712.46/x
  3. Step 3: Cross multiply
    80,298.88x = 120,459.24 × 27,712.46
  4. Step 4: Simplify right side
    80,298.88x = 3,338,222,171.28
  5. Step 5: Solve for x
    x = 3,338,222,171.28/80,298.88
  6. Step 6: Final answer
    x = 41,572.46

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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.