Home / 80,467.48-120,700.74-43,764.76

Finding the Fourth Proportional to 80,467.48, 120,700.74 and 43,764.76

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Solution

The fourth proportional to 80,467.48, 120,700.74 and 43,764.76 is: 65,646.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,467.48 : 120,700.74 = 43,764.76 : x
  2. Step 2: Convert to fraction form
    80,467.48/120,700.74 = 43,764.76/x
  3. Step 3: Cross multiply
    80,467.48x = 120,700.74 × 43,764.76
  4. Step 4: Simplify right side
    80,467.48x = 5,282,438,917.92
  5. Step 5: Solve for x
    x = 5,282,438,917.92/80,467.48
  6. Step 6: Final answer
    x = 65,646.88

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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.