Home / 108,529.10-162,793.65-71,204.30

Finding the Fourth Proportional to 108,529.10, 162,793.65 and 71,204.30

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Solution

The fourth proportional to 108,529.10, 162,793.65 and 71,204.30 is: 106,806.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,529.10 : 162,793.65 = 71,204.30 : x
  2. Step 2: Convert to fraction form
    108,529.10/162,793.65 = 71,204.30/x
  3. Step 3: Cross multiply
    108,529.10x = 162,793.65 × 71,204.30
  4. Step 4: Simplify right side
    108,529.10x = 11,591,607,892.70
  5. Step 5: Solve for x
    x = 11,591,607,892.70/108,529.10
  6. Step 6: Final answer
    x = 106,806.45

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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.