Home / 80,036.02-120,062.40-27,449.74

Finding the Fourth Proportional to 80,036.02, 120,062.40 and 27,449.74

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Solution

The fourth proportional to 80,036.02, 120,062.40 and 27,449.74 is: 41,177.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,036.02 : 120,062.40 = 27,449.74 : x
  2. Step 2: Convert to fraction form
    80,036.02/120,062.40 = 27,449.74/x
  3. Step 3: Cross multiply
    80,036.02x = 120,062.40 × 27,449.74
  4. Step 4: Simplify right side
    80,036.02x = 3,295,681,663.78
  5. Step 5: Solve for x
    x = 3,295,681,663.78/80,036.02
  6. Step 6: Final answer
    x = 41,177.48

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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.