Home / 80,730.04-121,093.66-36,325.36

Finding the Fourth Proportional to 80,730.04, 121,093.66 and 36,325.36

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Solution

The fourth proportional to 80,730.04, 121,093.66 and 36,325.36 is: 54,487.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,730.04 : 121,093.66 = 36,325.36 : x
  2. Step 2: Convert to fraction form
    80,730.04/121,093.66 = 36,325.36/x
  3. Step 3: Cross multiply
    80,730.04x = 121,093.66 × 36,325.36
  4. Step 4: Simplify right side
    80,730.04x = 4,398,770,793.22
  5. Step 5: Solve for x
    x = 4,398,770,793.22/80,730.04
  6. Step 6: Final answer
    x = 54,487.41

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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.