Home / 87,923.39-121,331.45-50,197.64

Finding the Fourth Proportional to 87,923.39, 121,331.45 and 50,197.64

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Solution

The fourth proportional to 87,923.39, 121,331.45 and 50,197.64 is: 69,271.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,923.39 : 121,331.45 = 50,197.64 : x
  2. Step 2: Convert to fraction form
    87,923.39/121,331.45 = 50,197.64/x
  3. Step 3: Cross multiply
    87,923.39x = 121,331.45 × 50,197.64
  4. Step 4: Simplify right side
    87,923.39x = 6,090,551,966.61
  5. Step 5: Solve for x
    x = 6,090,551,966.61/87,923.39
  6. Step 6: Final answer
    x = 69,271.13

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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.