Home / 83,844.80-125,767.20-28,441.28

Finding the Fourth Proportional to 83,844.80, 125,767.20 and 28,441.28

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Solution

The fourth proportional to 83,844.80, 125,767.20 and 28,441.28 is: 42,661.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,844.80 : 125,767.20 = 28,441.28 : x
  2. Step 2: Convert to fraction form
    83,844.80/125,767.20 = 28,441.28/x
  3. Step 3: Cross multiply
    83,844.80x = 125,767.20 × 28,441.28
  4. Step 4: Simplify right side
    83,844.80x = 3,576,980,150.02
  5. Step 5: Solve for x
    x = 3,576,980,150.02/83,844.80
  6. Step 6: Final answer
    x = 42,661.92

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.