Home / 108,133.64-161,982.98-53,934.92

Finding the Fourth Proportional to 108,133.64, 161,982.98 and 53,934.92

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Solution

The fourth proportional to 108,133.64, 161,982.98 and 53,934.92 is: 80,793.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,133.64 : 161,982.98 = 53,934.92 : x
  2. Step 2: Convert to fraction form
    108,133.64/161,982.98 = 53,934.92/x
  3. Step 3: Cross multiply
    108,133.64x = 161,982.98 × 53,934.92
  4. Step 4: Simplify right side
    108,133.64x = 8,736,538,797.99
  5. Step 5: Solve for x
    x = 8,736,538,797.99/108,133.64
  6. Step 6: Final answer
    x = 80,793.90

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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.