Home / 71,380.02-107,085.06-27,005.80

Finding the Fourth Proportional to 71,380.02, 107,085.06 and 27,005.80

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Solution

The fourth proportional to 71,380.02, 107,085.06 and 27,005.80 is: 40,514.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,380.02 : 107,085.06 = 27,005.80 : x
  2. Step 2: Convert to fraction form
    71,380.02/107,085.06 = 27,005.80/x
  3. Step 3: Cross multiply
    71,380.02x = 107,085.06 × 27,005.80
  4. Step 4: Simplify right side
    71,380.02x = 2,891,917,713.35
  5. Step 5: Solve for x
    x = 2,891,917,713.35/71,380.02
  6. Step 6: Final answer
    x = 40,514.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.