Home / 80,475.15-111,062.69-44,672.07

Finding the Fourth Proportional to 80,475.15, 111,062.69 and 44,672.07

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Solution

The fourth proportional to 80,475.15, 111,062.69 and 44,672.07 is: 61,651.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,475.15 : 111,062.69 = 44,672.07 : x
  2. Step 2: Convert to fraction form
    80,475.15/111,062.69 = 44,672.07/x
  3. Step 3: Cross multiply
    80,475.15x = 111,062.69 × 44,672.07
  4. Step 4: Simplify right side
    80,475.15x = 4,961,400,262.07
  5. Step 5: Solve for x
    x = 4,961,400,262.07/80,475.15
  6. Step 6: Final answer
    x = 61,651.33

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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.