Home / 81,037.49-111,827.18-45,229.80

Finding the Fourth Proportional to 81,037.49, 111,827.18 and 45,229.80

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Solution

The fourth proportional to 81,037.49, 111,827.18 and 45,229.80 is: 62,414.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,037.49 : 111,827.18 = 45,229.80 : x
  2. Step 2: Convert to fraction form
    81,037.49/111,827.18 = 45,229.80/x
  3. Step 3: Cross multiply
    81,037.49x = 111,827.18 × 45,229.80
  4. Step 4: Simplify right side
    81,037.49x = 5,057,921,263.97
  5. Step 5: Solve for x
    x = 5,057,921,263.97/81,037.49
  6. Step 6: Final answer
    x = 62,414.59

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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.