Home / 96,801.84-145,115.28-67,233.60

Finding the Fourth Proportional to 96,801.84, 145,115.28 and 67,233.60

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Solution

The fourth proportional to 96,801.84, 145,115.28 and 67,233.60 is: 100,789.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,801.84 : 145,115.28 = 67,233.60 : x
  2. Step 2: Convert to fraction form
    96,801.84/145,115.28 = 67,233.60/x
  3. Step 3: Cross multiply
    96,801.84x = 145,115.28 × 67,233.60
  4. Step 4: Simplify right side
    96,801.84x = 9,756,622,689.41
  5. Step 5: Solve for x
    x = 9,756,622,689.41/96,801.84
  6. Step 6: Final answer
    x = 100,789.64

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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.