Home / 108,819.60-163,229.40-62,077.20

Finding the Fourth Proportional to 108,819.60, 163,229.40 and 62,077.20

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Solution

The fourth proportional to 108,819.60, 163,229.40 and 62,077.20 is: 93,115.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,819.60 : 163,229.40 = 62,077.20 : x
  2. Step 2: Convert to fraction form
    108,819.60/163,229.40 = 62,077.20/x
  3. Step 3: Cross multiply
    108,819.60x = 163,229.40 × 62,077.20
  4. Step 4: Simplify right side
    108,819.60x = 10,132,824,109.68
  5. Step 5: Solve for x
    x = 10,132,824,109.68/108,819.60
  6. Step 6: Final answer
    x = 93,115.80

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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.