Home / 80,342.86-120,516.00-27,036.45

Finding the Fourth Proportional to 80,342.86, 120,516.00 and 27,036.45

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Solution

The fourth proportional to 80,342.86, 120,516.00 and 27,036.45 is: 40,555.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,342.86 : 120,516.00 = 27,036.45 : x
  2. Step 2: Convert to fraction form
    80,342.86/120,516.00 = 27,036.45/x
  3. Step 3: Cross multiply
    80,342.86x = 120,516.00 × 27,036.45
  4. Step 4: Simplify right side
    80,342.86x = 3,258,324,350.47
  5. Step 5: Solve for x
    x = 3,258,324,350.47/80,342.86
  6. Step 6: Final answer
    x = 40,555.24

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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.