Home / 126,871.09-175,082.05-69,514.06

Finding the Fourth Proportional to 126,871.09, 175,082.05 and 69,514.06

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Solution

The fourth proportional to 126,871.09, 175,082.05 and 69,514.06 is: 95,929.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,871.09 : 175,082.05 = 69,514.06 : x
  2. Step 2: Convert to fraction form
    126,871.09/175,082.05 = 69,514.06/x
  3. Step 3: Cross multiply
    126,871.09x = 175,082.05 × 69,514.06
  4. Step 4: Simplify right side
    126,871.09x = 12,170,664,128.62
  5. Step 5: Solve for x
    x = 12,170,664,128.62/126,871.09
  6. Step 6: Final answer
    x = 95,929.37

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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.