Home / 72,717.74-100,349.27-40,451.97

Finding the Fourth Proportional to 72,717.74, 100,349.27 and 40,451.97

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Solution

The fourth proportional to 72,717.74, 100,349.27 and 40,451.97 is: 55,823.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,717.74 : 100,349.27 = 40,451.97 : x
  2. Step 2: Convert to fraction form
    72,717.74/100,349.27 = 40,451.97/x
  3. Step 3: Cross multiply
    72,717.74x = 100,349.27 × 40,451.97
  4. Step 4: Simplify right side
    72,717.74x = 4,059,325,659.56
  5. Step 5: Solve for x
    x = 4,059,325,659.56/72,717.74
  6. Step 6: Final answer
    x = 55,823.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.