Home / 104,091.12-156,147.24-29,211.48

Finding the Fourth Proportional to 104,091.12, 156,147.24 and 29,211.48

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Solution

The fourth proportional to 104,091.12, 156,147.24 and 29,211.48 is: 43,820.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,091.12 : 156,147.24 = 29,211.48 : x
  2. Step 2: Convert to fraction form
    104,091.12/156,147.24 = 29,211.48/x
  3. Step 3: Cross multiply
    104,091.12x = 156,147.24 × 29,211.48
  4. Step 4: Simplify right side
    104,091.12x = 4,561,291,978.32
  5. Step 5: Solve for x
    x = 4,561,291,978.32/104,091.12
  6. Step 6: Final answer
    x = 43,820.18

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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.