Home / 71,121.24-98,150.13-40,906.53

Finding the Fourth Proportional to 71,121.24, 98,150.13 and 40,906.53

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Solution

The fourth proportional to 71,121.24, 98,150.13 and 40,906.53 is: 56,452.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,121.24 : 98,150.13 = 40,906.53 : x
  2. Step 2: Convert to fraction form
    71,121.24/98,150.13 = 40,906.53/x
  3. Step 3: Cross multiply
    71,121.24x = 98,150.13 × 40,906.53
  4. Step 4: Simplify right side
    71,121.24x = 4,014,981,237.35
  5. Step 5: Solve for x
    x = 4,014,981,237.35/71,121.24
  6. Step 6: Final answer
    x = 56,452.63

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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.