Home / 80,330.24-120,496.96-56,540.48

Finding the Fourth Proportional to 80,330.24, 120,496.96 and 56,540.48

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Solution

The fourth proportional to 80,330.24, 120,496.96 and 56,540.48 is: 84,811.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,330.24 : 120,496.96 = 56,540.48 : x
  2. Step 2: Convert to fraction form
    80,330.24/120,496.96 = 56,540.48/x
  3. Step 3: Cross multiply
    80,330.24x = 120,496.96 × 56,540.48
  4. Step 4: Simplify right side
    80,330.24x = 6,812,955,956.94
  5. Step 5: Solve for x
    x = 6,812,955,956.94/80,330.24
  6. Step 6: Final answer
    x = 84,811.85

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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.