Home / 66,514.74-91,766.30-51,205.97

Finding the Fourth Proportional to 66,514.74, 91,766.30 and 51,205.97

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Solution

The fourth proportional to 66,514.74, 91,766.30 and 51,205.97 is: 70,645.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,514.74 : 91,766.30 = 51,205.97 : x
  2. Step 2: Convert to fraction form
    66,514.74/91,766.30 = 51,205.97/x
  3. Step 3: Cross multiply
    66,514.74x = 91,766.30 × 51,205.97
  4. Step 4: Simplify right side
    66,514.74x = 4,698,981,689.95
  5. Step 5: Solve for x
    x = 4,698,981,689.95/66,514.74
  6. Step 6: Final answer
    x = 70,645.72

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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.