Home / 71,944.68-99,276.42-40,110.60

Finding the Fourth Proportional to 71,944.68, 99,276.42 and 40,110.60

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Solution

The fourth proportional to 71,944.68, 99,276.42 and 40,110.60 is: 55,348.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,944.68 : 99,276.42 = 40,110.60 : x
  2. Step 2: Convert to fraction form
    71,944.68/99,276.42 = 40,110.60/x
  3. Step 3: Cross multiply
    71,944.68x = 99,276.42 × 40,110.60
  4. Step 4: Simplify right side
    71,944.68x = 3,982,036,772.05
  5. Step 5: Solve for x
    x = 3,982,036,772.05/71,944.68
  6. Step 6: Final answer
    x = 55,348.59

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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.