Home / 83,447.64-125,179.16-27,288.04

Finding the Fourth Proportional to 83,447.64, 125,179.16 and 27,288.04

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Solution

The fourth proportional to 83,447.64, 125,179.16 and 27,288.04 is: 40,934.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,447.64 : 125,179.16 = 27,288.04 : x
  2. Step 2: Convert to fraction form
    83,447.64/125,179.16 = 27,288.04/x
  3. Step 3: Cross multiply
    83,447.64x = 125,179.16 × 27,288.04
  4. Step 4: Simplify right side
    83,447.64x = 3,415,893,925.25
  5. Step 5: Solve for x
    x = 3,415,893,925.25/83,447.64
  6. Step 6: Final answer
    x = 40,934.58

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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.