Home / 80,209.83-120,263.68-38,063.91

Finding the Fourth Proportional to 80,209.83, 120,263.68 and 38,063.91

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Solution

The fourth proportional to 80,209.83, 120,263.68 and 38,063.91 is: 57,071.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,209.83 : 120,263.68 = 38,063.91 : x
  2. Step 2: Convert to fraction form
    80,209.83/120,263.68 = 38,063.91/x
  3. Step 3: Cross multiply
    80,209.83x = 120,263.68 × 38,063.91
  4. Step 4: Simplify right side
    80,209.83x = 4,577,705,891.79
  5. Step 5: Solve for x
    x = 4,577,705,891.79/80,209.83
  6. Step 6: Final answer
    x = 57,071.63

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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.