Home / 104,351.26-156,533.11-40,309.90

Finding the Fourth Proportional to 104,351.26, 156,533.11 and 40,309.90

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Solution

The fourth proportional to 104,351.26, 156,533.11 and 40,309.90 is: 60,467.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,351.26 : 156,533.11 = 40,309.90 : x
  2. Step 2: Convert to fraction form
    104,351.26/156,533.11 = 40,309.90/x
  3. Step 3: Cross multiply
    104,351.26x = 156,533.11 × 40,309.90
  4. Step 4: Simplify right side
    104,351.26x = 6,309,834,010.79
  5. Step 5: Solve for x
    x = 6,309,834,010.79/104,351.26
  6. Step 6: Final answer
    x = 60,467.25

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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.