Home / 89,161.04-133,762.05-29,191.44

Finding the Fourth Proportional to 89,161.04, 133,762.05 and 29,191.44

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Solution

The fourth proportional to 89,161.04, 133,762.05 and 29,191.44 is: 43,793.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,161.04 : 133,762.05 = 29,191.44 : x
  2. Step 2: Convert to fraction form
    89,161.04/133,762.05 = 29,191.44/x
  3. Step 3: Cross multiply
    89,161.04x = 133,762.05 × 29,191.44
  4. Step 4: Simplify right side
    89,161.04x = 3,904,706,856.85
  5. Step 5: Solve for x
    x = 3,904,706,856.85/89,161.04
  6. Step 6: Final answer
    x = 43,793.87

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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.