Home / 80,873.13-111,578.46-49,030.41

Finding the Fourth Proportional to 80,873.13, 111,578.46 and 49,030.41

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Solution

The fourth proportional to 80,873.13, 111,578.46 and 49,030.41 is: 67,645.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,873.13 : 111,578.46 = 49,030.41 : x
  2. Step 2: Convert to fraction form
    80,873.13/111,578.46 = 49,030.41/x
  3. Step 3: Cross multiply
    80,873.13x = 111,578.46 × 49,030.41
  4. Step 4: Simplify right side
    80,873.13x = 5,470,738,151.32
  5. Step 5: Solve for x
    x = 5,470,738,151.32/80,873.13
  6. Step 6: Final answer
    x = 67,645.93

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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.