Home / 72,524.25-100,157.57-49,921.61

Finding the Fourth Proportional to 72,524.25, 100,157.57 and 49,921.61

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Solution

The fourth proportional to 72,524.25, 100,157.57 and 49,921.61 is: 68,942.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,524.25 : 100,157.57 = 49,921.61 : x
  2. Step 2: Convert to fraction form
    72,524.25/100,157.57 = 49,921.61/x
  3. Step 3: Cross multiply
    72,524.25x = 100,157.57 × 49,921.61
  4. Step 4: Simplify right side
    72,524.25x = 5,000,026,397.69
  5. Step 5: Solve for x
    x = 5,000,026,397.69/72,524.25
  6. Step 6: Final answer
    x = 68,942.82

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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.