Home / 68,679.10-94,763.14-38,459.62

Finding the Fourth Proportional to 68,679.10, 94,763.14 and 38,459.62

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Solution

The fourth proportional to 68,679.10, 94,763.14 and 38,459.62 is: 53,066.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,679.10 : 94,763.14 = 38,459.62 : x
  2. Step 2: Convert to fraction form
    68,679.10/94,763.14 = 38,459.62/x
  3. Step 3: Cross multiply
    68,679.10x = 94,763.14 × 38,459.62
  4. Step 4: Simplify right side
    68,679.10x = 3,644,554,354.41
  5. Step 5: Solve for x
    x = 3,644,554,354.41/68,679.10
  6. Step 6: Final answer
    x = 53,066.43

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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.