Home / 87,967.55-121,411.47-50,241.80

Finding the Fourth Proportional to 87,967.55, 121,411.47 and 50,241.80

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Solution

The fourth proportional to 87,967.55, 121,411.47 and 50,241.80 is: 69,342.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,967.55 : 121,411.47 = 50,241.80 : x
  2. Step 2: Convert to fraction form
    87,967.55/121,411.47 = 50,241.80/x
  3. Step 3: Cross multiply
    87,967.55x = 121,411.47 × 50,241.80
  4. Step 4: Simplify right side
    87,967.55x = 6,099,930,793.45
  5. Step 5: Solve for x
    x = 6,099,930,793.45/87,967.55
  6. Step 6: Final answer
    x = 69,342.97

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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.