Home / 79,288.32-109,414.08-43,471.68

Finding the Fourth Proportional to 79,288.32, 109,414.08 and 43,471.68

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Solution

The fourth proportional to 79,288.32, 109,414.08 and 43,471.68 is: 59,988.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,288.32 : 109,414.08 = 43,471.68 : x
  2. Step 2: Convert to fraction form
    79,288.32/109,414.08 = 43,471.68/x
  3. Step 3: Cross multiply
    79,288.32x = 109,414.08 × 43,471.68
  4. Step 4: Simplify right side
    79,288.32x = 4,756,413,873.25
  5. Step 5: Solve for x
    x = 4,756,413,873.25/79,288.32
  6. Step 6: Final answer
    x = 59,988.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.