Home / 84,068.05-126,132.18-36,016.50

Finding the Fourth Proportional to 84,068.05, 126,132.18 and 36,016.50

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Solution

The fourth proportional to 84,068.05, 126,132.18 and 36,016.50 is: 54,037.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,068.05 : 126,132.18 = 36,016.50 : x
  2. Step 2: Convert to fraction form
    84,068.05/126,132.18 = 36,016.50/x
  3. Step 3: Cross multiply
    84,068.05x = 126,132.18 × 36,016.50
  4. Step 4: Simplify right side
    84,068.05x = 4,542,839,660.97
  5. Step 5: Solve for x
    x = 4,542,839,660.97/84,068.05
  6. Step 6: Final answer
    x = 54,037.65

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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.