Home / 75,679.04-104,327.97-52,947.61

Finding the Fourth Proportional to 75,679.04, 104,327.97 and 52,947.61

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Solution

The fourth proportional to 75,679.04, 104,327.97 and 52,947.61 is: 72,991.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,679.04 : 104,327.97 = 52,947.61 : x
  2. Step 2: Convert to fraction form
    75,679.04/104,327.97 = 52,947.61/x
  3. Step 3: Cross multiply
    75,679.04x = 104,327.97 × 52,947.61
  4. Step 4: Simplify right side
    75,679.04x = 5,523,916,667.65
  5. Step 5: Solve for x
    x = 5,523,916,667.65/75,679.04
  6. Step 6: Final answer
    x = 72,991.37

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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.