Home / 87,984.60-121,425.66-50,271

Finding the Fourth Proportional to 87,984.60, 121,425.66 and 50,271

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Solution

The fourth proportional to 87,984.60, 121,425.66 and 50,271 is: 69,377.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,984.60 : 121,425.66 = 50,271 : x
  2. Step 2: Convert to fraction form
    87,984.60/121,425.66 = 50,271/x
  3. Step 3: Cross multiply
    87,984.60x = 121,425.66 × 50,271
  4. Step 4: Simplify right side
    87,984.60x = 6,104,189,353.86
  5. Step 5: Solve for x
    x = 6,104,189,353.86/87,984.60
  6. Step 6: Final answer
    x = 69,377.93

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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.