Home / 75,619.12-104,335.12-50,473.48

Finding the Fourth Proportional to 75,619.12, 104,335.12 and 50,473.48

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Solution

The fourth proportional to 75,619.12, 104,335.12 and 50,473.48 is: 69,640.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,619.12 : 104,335.12 = 50,473.48 : x
  2. Step 2: Convert to fraction form
    75,619.12/104,335.12 = 50,473.48/x
  3. Step 3: Cross multiply
    75,619.12x = 104,335.12 × 50,473.48
  4. Step 4: Simplify right side
    75,619.12x = 5,266,156,592.62
  5. Step 5: Solve for x
    x = 5,266,156,592.62/75,619.12
  6. Step 6: Final answer
    x = 69,640.54

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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.