Home / 83,924.92-125,799.22-42,284.60

Finding the Fourth Proportional to 83,924.92, 125,799.22 and 42,284.60

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Solution

The fourth proportional to 83,924.92, 125,799.22 and 42,284.60 is: 63,382.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,924.92 : 125,799.22 = 42,284.60 : x
  2. Step 2: Convert to fraction form
    83,924.92/125,799.22 = 42,284.60/x
  3. Step 3: Cross multiply
    83,924.92x = 125,799.22 × 42,284.60
  4. Step 4: Simplify right side
    83,924.92x = 5,319,369,698.01
  5. Step 5: Solve for x
    x = 5,319,369,698.01/83,924.92
  6. Step 6: Final answer
    x = 63,382.48

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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.