Home / 74,508-111,811.26-35,076.39

Finding the Fourth Proportional to 74,508, 111,811.26 and 35,076.39

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Solution

The fourth proportional to 74,508, 111,811.26 and 35,076.39 is: 52,637.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,508 : 111,811.26 = 35,076.39 : x
  2. Step 2: Convert to fraction form
    74,508/111,811.26 = 35,076.39/x
  3. Step 3: Cross multiply
    74,508x = 111,811.26 × 35,076.39
  4. Step 4: Simplify right side
    74,508x = 3,921,935,362.15
  5. Step 5: Solve for x
    x = 3,921,935,362.15/74,508
  6. Step 6: Final answer
    x = 52,637.78

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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.