Home / 91,514.83-126,293.11-51,228.36

Finding the Fourth Proportional to 91,514.83, 126,293.11 and 51,228.36

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Solution

The fourth proportional to 91,514.83, 126,293.11 and 51,228.36 is: 70,696.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,514.83 : 126,293.11 = 51,228.36 : x
  2. Step 2: Convert to fraction form
    91,514.83/126,293.11 = 51,228.36/x
  3. Step 3: Cross multiply
    91,514.83x = 126,293.11 × 51,228.36
  4. Step 4: Simplify right side
    91,514.83x = 6,469,788,016.99
  5. Step 5: Solve for x
    x = 6,469,788,016.99/91,514.83
  6. Step 6: Final answer
    x = 70,696.61

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1.5x scale

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.