Home / 80,833.25-121,042.85-67,473.03

Finding the Fourth Proportional to 80,833.25, 121,042.85 and 67,473.03

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Solution

The fourth proportional to 80,833.25, 121,042.85 and 67,473.03 is: 101,036.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,833.25 : 121,042.85 = 67,473.03 : x
  2. Step 2: Convert to fraction form
    80,833.25/121,042.85 = 67,473.03/x
  3. Step 3: Cross multiply
    80,833.25x = 121,042.85 × 67,473.03
  4. Step 4: Simplify right side
    80,833.25x = 8,167,127,511.97
  5. Step 5: Solve for x
    x = 8,167,127,511.97/80,833.25
  6. Step 6: Final answer
    x = 101,036.74

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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.