Home / 126,102.18-174,020.85-69,514.50

Finding the Fourth Proportional to 126,102.18, 174,020.85 and 69,514.50

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Solution

The fourth proportional to 126,102.18, 174,020.85 and 69,514.50 is: 95,929.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,102.18 : 174,020.85 = 69,514.50 : x
  2. Step 2: Convert to fraction form
    126,102.18/174,020.85 = 69,514.50/x
  3. Step 3: Cross multiply
    126,102.18x = 174,020.85 × 69,514.50
  4. Step 4: Simplify right side
    126,102.18x = 12,096,972,377.33
  5. Step 5: Solve for x
    x = 12,096,972,377.33/126,102.18
  6. Step 6: Final answer
    x = 95,929.92

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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.