Home / 80,843.08-111,559.98-45,036.94

Finding the Fourth Proportional to 80,843.08, 111,559.98 and 45,036.94

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Solution

The fourth proportional to 80,843.08, 111,559.98 and 45,036.94 is: 62,149.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,843.08 : 111,559.98 = 45,036.94 : x
  2. Step 2: Convert to fraction form
    80,843.08/111,559.98 = 45,036.94/x
  3. Step 3: Cross multiply
    80,843.08x = 111,559.98 × 45,036.94
  4. Step 4: Simplify right side
    80,843.08x = 5,024,320,125.66
  5. Step 5: Solve for x
    x = 5,024,320,125.66/80,843.08
  6. Step 6: Final answer
    x = 62,149.04

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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.