Home / 67,110.60-100,556.55-49,395.90

Finding the Fourth Proportional to 67,110.60, 100,556.55 and 49,395.90

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Solution

The fourth proportional to 67,110.60, 100,556.55 and 49,395.90 is: 74,013.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,110.60 : 100,556.55 = 49,395.90 : x
  2. Step 2: Convert to fraction form
    67,110.60/100,556.55 = 49,395.90/x
  3. Step 3: Cross multiply
    67,110.60x = 100,556.55 × 49,395.90
  4. Step 4: Simplify right side
    67,110.60x = 4,967,081,288.15
  5. Step 5: Solve for x
    x = 4,967,081,288.15/67,110.60
  6. Step 6: Final answer
    x = 74,013.36

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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.