Home / 83,957.12-125,979.36-37,199

Finding the Fourth Proportional to 83,957.12, 125,979.36 and 37,199

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Solution

The fourth proportional to 83,957.12, 125,979.36 and 37,199 is: 55,817.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,957.12 : 125,979.36 = 37,199 : x
  2. Step 2: Convert to fraction form
    83,957.12/125,979.36 = 37,199/x
  3. Step 3: Cross multiply
    83,957.12x = 125,979.36 × 37,199
  4. Step 4: Simplify right side
    83,957.12x = 4,686,306,212.64
  5. Step 5: Solve for x
    x = 4,686,306,212.64/83,957.12
  6. Step 6: Final answer
    x = 55,817.85

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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.