Home / 108,047.45-162,071.18-29,161.55

Finding the Fourth Proportional to 108,047.45, 162,071.18 and 29,161.55

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Solution

The fourth proportional to 108,047.45, 162,071.18 and 29,161.55 is: 43,742.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,047.45 : 162,071.18 = 29,161.55 : x
  2. Step 2: Convert to fraction form
    108,047.45/162,071.18 = 29,161.55/x
  3. Step 3: Cross multiply
    108,047.45x = 162,071.18 × 29,161.55
  4. Step 4: Simplify right side
    108,047.45x = 4,726,246,819.13
  5. Step 5: Solve for x
    x = 4,726,246,819.13/108,047.45
  6. Step 6: Final answer
    x = 43,742.33

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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.