Home / 68,829.68-103,273.56-37,628.48

Finding the Fourth Proportional to 68,829.68, 103,273.56 and 37,628.48

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Solution

The fourth proportional to 68,829.68, 103,273.56 and 37,628.48 is: 56,458.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,829.68 : 103,273.56 = 37,628.48 : x
  2. Step 2: Convert to fraction form
    68,829.68/103,273.56 = 37,628.48/x
  3. Step 3: Cross multiply
    68,829.68x = 103,273.56 × 37,628.48
  4. Step 4: Simplify right side
    68,829.68x = 3,886,027,086.99
  5. Step 5: Solve for x
    x = 3,886,027,086.99/68,829.68
  6. Step 6: Final answer
    x = 56,458.60

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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.