Home / 48,171.21-72,277.46-18,609.65

Finding the Fourth Proportional to 48,171.21, 72,277.46 and 18,609.65

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Solution

The fourth proportional to 48,171.21, 72,277.46 and 18,609.65 is: 27,922.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,171.21 : 72,277.46 = 18,609.65 : x
  2. Step 2: Convert to fraction form
    48,171.21/72,277.46 = 18,609.65/x
  3. Step 3: Cross multiply
    48,171.21x = 72,277.46 × 18,609.65
  4. Step 4: Simplify right side
    48,171.21x = 1,345,058,224.56
  5. Step 5: Solve for x
    x = 1,345,058,224.56/48,171.21
  6. Step 6: Final answer
    x = 27,922.45

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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.