Home / 80,326.22-120,487.50-27,730.76

Finding the Fourth Proportional to 80,326.22, 120,487.50 and 27,730.76

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Solution

The fourth proportional to 80,326.22, 120,487.50 and 27,730.76 is: 41,595.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,326.22 : 120,487.50 = 27,730.76 : x
  2. Step 2: Convert to fraction form
    80,326.22/120,487.50 = 27,730.76/x
  3. Step 3: Cross multiply
    80,326.22x = 120,487.50 × 27,730.76
  4. Step 4: Simplify right side
    80,326.22x = 3,341,209,343.06
  5. Step 5: Solve for x
    x = 3,341,209,343.06/80,326.22
  6. Step 6: Final answer
    x = 41,595.50

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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.