Home / 87,997.59-121,434.39-50,271.84

Finding the Fourth Proportional to 87,997.59, 121,434.39 and 50,271.84

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Solution

The fourth proportional to 87,997.59, 121,434.39 and 50,271.84 is: 69,373.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,997.59 : 121,434.39 = 50,271.84 : x
  2. Step 2: Convert to fraction form
    87,997.59/121,434.39 = 50,271.84/x
  3. Step 3: Cross multiply
    87,997.59x = 121,434.39 × 50,271.84
  4. Step 4: Simplify right side
    87,997.59x = 6,104,730,224.58
  5. Step 5: Solve for x
    x = 6,104,730,224.58/87,997.59
  6. Step 6: Final answer
    x = 69,373.83

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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.