Home / 69,621.10-104,291.20-32,129.10

Finding the Fourth Proportional to 69,621.10, 104,291.20 and 32,129.10

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Solution

The fourth proportional to 69,621.10, 104,291.20 and 32,129.10 is: 48,128.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,621.10 : 104,291.20 = 32,129.10 : x
  2. Step 2: Convert to fraction form
    69,621.10/104,291.20 = 32,129.10/x
  3. Step 3: Cross multiply
    69,621.10x = 104,291.20 × 32,129.10
  4. Step 4: Simplify right side
    69,621.10x = 3,350,782,393.92
  5. Step 5: Solve for x
    x = 3,350,782,393.92/69,621.10
  6. Step 6: Final answer
    x = 48,128.83

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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.