Home / 108,999.20-163,297.20-62,112.80

Finding the Fourth Proportional to 108,999.20, 163,297.20 and 62,112.80

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Solution

The fourth proportional to 108,999.20, 163,297.20 and 62,112.80 is: 93,054.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,999.20 : 163,297.20 = 62,112.80 : x
  2. Step 2: Convert to fraction form
    108,999.20/163,297.20 = 62,112.80/x
  3. Step 3: Cross multiply
    108,999.20x = 163,297.20 × 62,112.80
  4. Step 4: Simplify right side
    108,999.20x = 10,142,846,324.16
  5. Step 5: Solve for x
    x = 10,142,846,324.16/108,999.20
  6. Step 6: Final answer
    x = 93,054.32

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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.