Home / 87,926.39-121,335.59-50,200.64

Finding the Fourth Proportional to 87,926.39, 121,335.59 and 50,200.64

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Solution

The fourth proportional to 87,926.39, 121,335.59 and 50,200.64 is: 69,275.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,926.39 : 121,335.59 = 50,200.64 : x
  2. Step 2: Convert to fraction form
    87,926.39/121,335.59 = 50,200.64/x
  3. Step 3: Cross multiply
    87,926.39x = 121,335.59 × 50,200.64
  4. Step 4: Simplify right side
    87,926.39x = 6,091,123,415.10
  5. Step 5: Solve for x
    x = 6,091,123,415.10/87,926.39
  6. Step 6: Final answer
    x = 69,275.26

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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.