Home / 90,652.33-125,097.50-49,816.58

Finding the Fourth Proportional to 90,652.33, 125,097.50 and 49,816.58

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Solution

The fourth proportional to 90,652.33, 125,097.50 and 49,816.58 is: 68,745.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,652.33 : 125,097.50 = 49,816.58 : x
  2. Step 2: Convert to fraction form
    90,652.33/125,097.50 = 49,816.58/x
  3. Step 3: Cross multiply
    90,652.33x = 125,097.50 × 49,816.58
  4. Step 4: Simplify right side
    90,652.33x = 6,231,929,367.47
  5. Step 5: Solve for x
    x = 6,231,929,367.47/90,652.33
  6. Step 6: Final answer
    x = 68,745.39

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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.