Home / 109,456.26-151,034.90-63,514.68

Finding the Fourth Proportional to 109,456.26, 151,034.90 and 63,514.68

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Solution

The fourth proportional to 109,456.26, 151,034.90 and 63,514.68 is: 87,641.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,456.26 : 151,034.90 = 63,514.68 : x
  2. Step 2: Convert to fraction form
    109,456.26/151,034.90 = 63,514.68/x
  3. Step 3: Cross multiply
    109,456.26x = 151,034.90 × 63,514.68
  4. Step 4: Simplify right side
    109,456.26x = 9,592,933,342.33
  5. Step 5: Solve for x
    x = 9,592,933,342.33/109,456.26
  6. Step 6: Final answer
    x = 87,641.71

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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.