Home / 80,826.93-111,544.62-45,016.95

Finding the Fourth Proportional to 80,826.93, 111,544.62 and 45,016.95

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Solution

The fourth proportional to 80,826.93, 111,544.62 and 45,016.95 is: 62,125.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,826.93 : 111,544.62 = 45,016.95 : x
  2. Step 2: Convert to fraction form
    80,826.93/111,544.62 = 45,016.95/x
  3. Step 3: Cross multiply
    80,826.93x = 111,544.62 × 45,016.95
  4. Step 4: Simplify right side
    80,826.93x = 5,021,398,581.31
  5. Step 5: Solve for x
    x = 5,021,398,581.31/80,826.93
  6. Step 6: Final answer
    x = 62,125.32

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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.