Home / 79,286.79-109,473.17-51,041.68

Finding the Fourth Proportional to 79,286.79, 109,473.17 and 51,041.68

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Solution

The fourth proportional to 79,286.79, 109,473.17 and 51,041.68 is: 70,474.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,286.79 : 109,473.17 = 51,041.68 : x
  2. Step 2: Convert to fraction form
    79,286.79/109,473.17 = 51,041.68/x
  3. Step 3: Cross multiply
    79,286.79x = 109,473.17 × 51,041.68
  4. Step 4: Simplify right side
    79,286.79x = 5,587,694,511.73
  5. Step 5: Solve for x
    x = 5,587,694,511.73/79,286.79
  6. Step 6: Final answer
    x = 70,474.47

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1.5x scale

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.