Home / 83,959.40-125,934.85-31,364.75

Finding the Fourth Proportional to 83,959.40, 125,934.85 and 31,364.75

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Solution

The fourth proportional to 83,959.40, 125,934.85 and 31,364.75 is: 47,045.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,959.40 : 125,934.85 = 31,364.75 : x
  2. Step 2: Convert to fraction form
    83,959.40/125,934.85 = 31,364.75/x
  3. Step 3: Cross multiply
    83,959.40x = 125,934.85 × 31,364.75
  4. Step 4: Simplify right side
    83,959.40x = 3,949,915,440.58
  5. Step 5: Solve for x
    x = 3,949,915,440.58/83,959.40
  6. Step 6: Final answer
    x = 47,045.54

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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.