Home / 80,789.19-121,201.77-24,633.66

Finding the Fourth Proportional to 80,789.19, 121,201.77 and 24,633.66

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Solution

The fourth proportional to 80,789.19, 121,201.77 and 24,633.66 is: 36,955.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,789.19 : 121,201.77 = 24,633.66 : x
  2. Step 2: Convert to fraction form
    80,789.19/121,201.77 = 24,633.66/x
  3. Step 3: Cross multiply
    80,789.19x = 121,201.77 × 24,633.66
  4. Step 4: Simplify right side
    80,789.19x = 2,985,643,193.58
  5. Step 5: Solve for x
    x = 2,985,643,193.58/80,789.19
  6. Step 6: Final answer
    x = 36,955.97

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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.