Home / 80,850.40-111,581.76-45,046.24

Finding the Fourth Proportional to 80,850.40, 111,581.76 and 45,046.24

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Solution

The fourth proportional to 80,850.40, 111,581.76 and 45,046.24 is: 62,168.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,850.40 : 111,581.76 = 45,046.24 : x
  2. Step 2: Convert to fraction form
    80,850.40/111,581.76 = 45,046.24/x
  3. Step 3: Cross multiply
    80,850.40x = 111,581.76 × 45,046.24
  4. Step 4: Simplify right side
    80,850.40x = 5,026,338,740.58
  5. Step 5: Solve for x
    x = 5,026,338,740.58/80,850.40
  6. Step 6: Final answer
    x = 62,168.38

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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.