Home / 126,974.08-175,223.26-69,612.72

Finding the Fourth Proportional to 126,974.08, 175,223.26 and 69,612.72

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Solution

The fourth proportional to 126,974.08, 175,223.26 and 69,612.72 is: 96,065.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,974.08 : 175,223.26 = 69,612.72 : x
  2. Step 2: Convert to fraction form
    126,974.08/175,223.26 = 69,612.72/x
  3. Step 3: Cross multiply
    126,974.08x = 175,223.26 × 69,612.72
  4. Step 4: Simplify right side
    126,974.08x = 12,197,767,165.80
  5. Step 5: Solve for x
    x = 12,197,767,165.80/126,974.08
  6. Step 6: Final answer
    x = 96,065.02

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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.