Home / 87,826.66-121,217.21-50,100.91

Finding the Fourth Proportional to 87,826.66, 121,217.21 and 50,100.91

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Solution

The fourth proportional to 87,826.66, 121,217.21 and 50,100.91 is: 69,148.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,826.66 : 121,217.21 = 50,100.91 : x
  2. Step 2: Convert to fraction form
    87,826.66/121,217.21 = 50,100.91/x
  3. Step 3: Cross multiply
    87,826.66x = 121,217.21 × 50,100.91
  4. Step 4: Simplify right side
    87,826.66x = 6,073,092,528.66
  5. Step 5: Solve for x
    x = 6,073,092,528.66/87,826.66
  6. Step 6: Final answer
    x = 69,148.62

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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.