Home / 108,135.81-162,219.15-33,262.20

Finding the Fourth Proportional to 108,135.81, 162,219.15 and 33,262.20

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Solution

The fourth proportional to 108,135.81, 162,219.15 and 33,262.20 is: 49,898.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,135.81 : 162,219.15 = 33,262.20 : x
  2. Step 2: Convert to fraction form
    108,135.81/162,219.15 = 33,262.20/x
  3. Step 3: Cross multiply
    108,135.81x = 162,219.15 × 33,262.20
  4. Step 4: Simplify right side
    108,135.81x = 5,395,765,811.13
  5. Step 5: Solve for x
    x = 5,395,765,811.13/108,135.81
  6. Step 6: Final answer
    x = 49,898.05

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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.