Home / 125,979.27-173,851.33-69,390.64

Finding the Fourth Proportional to 125,979.27, 173,851.33 and 69,390.64

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Solution

The fourth proportional to 125,979.27, 173,851.33 and 69,390.64 is: 95,759.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,979.27 : 173,851.33 = 69,390.64 : x
  2. Step 2: Convert to fraction form
    125,979.27/173,851.33 = 69,390.64/x
  3. Step 3: Cross multiply
    125,979.27x = 173,851.33 × 69,390.64
  4. Step 4: Simplify right side
    125,979.27x = 12,063,655,053.55
  5. Step 5: Solve for x
    x = 12,063,655,053.55/125,979.27
  6. Step 6: Final answer
    x = 95,759.05

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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.