Home / 87,947.44-121,369.80-50,220.88

Finding the Fourth Proportional to 87,947.44, 121,369.80 and 50,220.88

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Solution

The fourth proportional to 87,947.44, 121,369.80 and 50,220.88 is: 69,306.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,947.44 : 121,369.80 = 50,220.88 : x
  2. Step 2: Convert to fraction form
    87,947.44/121,369.80 = 50,220.88/x
  3. Step 3: Cross multiply
    87,947.44x = 121,369.80 × 50,220.88
  4. Step 4: Simplify right side
    87,947.44x = 6,095,298,161.42
  5. Step 5: Solve for x
    x = 6,095,298,161.42/87,947.44
  6. Step 6: Final answer
    x = 69,306.15

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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.