Home / 80,060.91-120,077.72-26,746.85

Finding the Fourth Proportional to 80,060.91, 120,077.72 and 26,746.85

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Solution

The fourth proportional to 80,060.91, 120,077.72 and 26,746.85 is: 40,115.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,060.91 : 120,077.72 = 26,746.85 : x
  2. Step 2: Convert to fraction form
    80,060.91/120,077.72 = 26,746.85/x
  3. Step 3: Cross multiply
    80,060.91x = 120,077.72 × 26,746.85
  4. Step 4: Simplify right side
    80,060.91x = 3,211,700,031.06
  5. Step 5: Solve for x
    x = 3,211,700,031.06/80,060.91
  6. Step 6: Final answer
    x = 40,115.71

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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.