Home / 69,447.20-103,992.87-48,070.29

Finding the Fourth Proportional to 69,447.20, 103,992.87 and 48,070.29

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Solution

The fourth proportional to 69,447.20, 103,992.87 and 48,070.29 is: 71,982.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,447.20 : 103,992.87 = 48,070.29 : x
  2. Step 2: Convert to fraction form
    69,447.20/103,992.87 = 48,070.29/x
  3. Step 3: Cross multiply
    69,447.20x = 103,992.87 × 48,070.29
  4. Step 4: Simplify right side
    69,447.20x = 4,998,967,418.83
  5. Step 5: Solve for x
    x = 4,998,967,418.83/69,447.20
  6. Step 6: Final answer
    x = 71,982.27

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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.