Home / 74,207.88-102,371.22-48,704.04

Finding the Fourth Proportional to 74,207.88, 102,371.22 and 48,704.04

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Solution

The fourth proportional to 74,207.88, 102,371.22 and 48,704.04 is: 67,188.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,207.88 : 102,371.22 = 48,704.04 : x
  2. Step 2: Convert to fraction form
    74,207.88/102,371.22 = 48,704.04/x
  3. Step 3: Cross multiply
    74,207.88x = 102,371.22 × 48,704.04
  4. Step 4: Simplify right side
    74,207.88x = 4,985,891,993.73
  5. Step 5: Solve for x
    x = 4,985,891,993.73/74,207.88
  6. Step 6: Final answer
    x = 67,188.17

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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.