Home / 75,167.30-103,680.94-48,343.75

Finding the Fourth Proportional to 75,167.30, 103,680.94 and 48,343.75

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Solution

The fourth proportional to 75,167.30, 103,680.94 and 48,343.75 is: 66,682.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,167.30 : 103,680.94 = 48,343.75 : x
  2. Step 2: Convert to fraction form
    75,167.30/103,680.94 = 48,343.75/x
  3. Step 3: Cross multiply
    75,167.30x = 103,680.94 × 48,343.75
  4. Step 4: Simplify right side
    75,167.30x = 5,012,325,443.13
  5. Step 5: Solve for x
    x = 5,012,325,443.13/75,167.30
  6. Step 6: Final answer
    x = 66,682.26

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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.