Home / 48,968.75-73,447.21-13,432.96

Finding the Fourth Proportional to 48,968.75, 73,447.21 and 13,432.96

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Solution

The fourth proportional to 48,968.75, 73,447.21 and 13,432.96 is: 20,147.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,968.75 : 73,447.21 = 13,432.96 : x
  2. Step 2: Convert to fraction form
    48,968.75/73,447.21 = 13,432.96/x
  3. Step 3: Cross multiply
    48,968.75x = 73,447.21 × 13,432.96
  4. Step 4: Simplify right side
    48,968.75x = 986,613,673.65
  5. Step 5: Solve for x
    x = 986,613,673.65/48,968.75
  6. Step 6: Final answer
    x = 20,147.82

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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.