Home / 68,836.53-94,988.88-38,617.68

Finding the Fourth Proportional to 68,836.53, 94,988.88 and 38,617.68

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Solution

The fourth proportional to 68,836.53, 94,988.88 and 38,617.68 is: 53,289.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,836.53 : 94,988.88 = 38,617.68 : x
  2. Step 2: Convert to fraction form
    68,836.53/94,988.88 = 38,617.68/x
  3. Step 3: Cross multiply
    68,836.53x = 94,988.88 × 38,617.68
  4. Step 4: Simplify right side
    68,836.53x = 3,668,250,171.40
  5. Step 5: Solve for x
    x = 3,668,250,171.40/68,836.53
  6. Step 6: Final answer
    x = 53,289.30

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.