Home / 126,067.32-173,972.55-69,478.68

Finding the Fourth Proportional to 126,067.32, 173,972.55 and 69,478.68

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Solution

The fourth proportional to 126,067.32, 173,972.55 and 69,478.68 is: 95,880.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,067.32 : 173,972.55 = 69,478.68 : x
  2. Step 2: Convert to fraction form
    126,067.32/173,972.55 = 69,478.68/x
  3. Step 3: Cross multiply
    126,067.32x = 173,972.55 × 69,478.68
  4. Step 4: Simplify right side
    126,067.32x = 12,087,383,130.23
  5. Step 5: Solve for x
    x = 12,087,383,130.23/126,067.32
  6. Step 6: Final answer
    x = 95,880.38

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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.