Home / 126,919.72-175,149.24-69,561.32

Finding the Fourth Proportional to 126,919.72, 175,149.24 and 69,561.32

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Solution

The fourth proportional to 126,919.72, 175,149.24 and 69,561.32 is: 95,994.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,919.72 : 175,149.24 = 69,561.32 : x
  2. Step 2: Convert to fraction form
    126,919.72/175,149.24 = 69,561.32/x
  3. Step 3: Cross multiply
    126,919.72x = 175,149.24 × 69,561.32
  4. Step 4: Simplify right side
    126,919.72x = 12,183,612,331.40
  5. Step 5: Solve for x
    x = 12,183,612,331.40/126,919.72
  6. Step 6: Final answer
    x = 95,994.64

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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.