Home / 87,884.38-121,286.02-52,066.79

Finding the Fourth Proportional to 87,884.38, 121,286.02 and 52,066.79

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Solution

The fourth proportional to 87,884.38, 121,286.02 and 52,066.79 is: 71,855.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,884.38 : 121,286.02 = 52,066.79 : x
  2. Step 2: Convert to fraction form
    87,884.38/121,286.02 = 52,066.79/x
  3. Step 3: Cross multiply
    87,884.38x = 121,286.02 × 52,066.79
  4. Step 4: Simplify right side
    87,884.38x = 6,314,973,733.28
  5. Step 5: Solve for x
    x = 6,314,973,733.28/87,884.38
  6. Step 6: Final answer
    x = 71,855.47

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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.