Home / 80,826.03-121,252.59-36,451.80

Finding the Fourth Proportional to 80,826.03, 121,252.59 and 36,451.80

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Solution

The fourth proportional to 80,826.03, 121,252.59 and 36,451.80 is: 54,683.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,826.03 : 121,252.59 = 36,451.80 : x
  2. Step 2: Convert to fraction form
    80,826.03/121,252.59 = 36,451.80/x
  3. Step 3: Cross multiply
    80,826.03x = 121,252.59 × 36,451.80
  4. Step 4: Simplify right side
    80,826.03x = 4,419,875,160.16
  5. Step 5: Solve for x
    x = 4,419,875,160.16/80,826.03
  6. Step 6: Final answer
    x = 54,683.81

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.