Home / 80,330.70-120,509.43-27,726.06

Finding the Fourth Proportional to 80,330.70, 120,509.43 and 27,726.06

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Solution

The fourth proportional to 80,330.70, 120,509.43 and 27,726.06 is: 41,593.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,330.70 : 120,509.43 = 27,726.06 : x
  2. Step 2: Convert to fraction form
    80,330.70/120,509.43 = 27,726.06/x
  3. Step 3: Cross multiply
    80,330.70x = 120,509.43 × 27,726.06
  4. Step 4: Simplify right side
    80,330.70x = 3,341,251,686.75
  5. Step 5: Solve for x
    x = 3,341,251,686.75/80,330.70
  6. Step 6: Final answer
    x = 41,593.71

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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.