Home / 80,804.64-111,504.30-44,987.76

Finding the Fourth Proportional to 80,804.64, 111,504.30 and 44,987.76

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Solution

The fourth proportional to 80,804.64, 111,504.30 and 44,987.76 is: 62,079.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,804.64 : 111,504.30 = 44,987.76 : x
  2. Step 2: Convert to fraction form
    80,804.64/111,504.30 = 44,987.76/x
  3. Step 3: Cross multiply
    80,804.64x = 111,504.30 × 44,987.76
  4. Step 4: Simplify right side
    80,804.64x = 5,016,328,687.37
  5. Step 5: Solve for x
    x = 5,016,328,687.37/80,804.64
  6. Step 6: Final answer
    x = 62,079.71

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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.