Home / 96,936.40-145,404.60-54,773.20

Finding the Fourth Proportional to 96,936.40, 145,404.60 and 54,773.20

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Solution

The fourth proportional to 96,936.40, 145,404.60 and 54,773.20 is: 82,159.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,936.40 : 145,404.60 = 54,773.20 : x
  2. Step 2: Convert to fraction form
    96,936.40/145,404.60 = 54,773.20/x
  3. Step 3: Cross multiply
    96,936.40x = 145,404.60 × 54,773.20
  4. Step 4: Simplify right side
    96,936.40x = 7,964,275,236.72
  5. Step 5: Solve for x
    x = 7,964,275,236.72/96,936.40
  6. Step 6: Final answer
    x = 82,159.80

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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.