Home / 48,481.46-72,714.09-13,424.66

Finding the Fourth Proportional to 48,481.46, 72,714.09 and 13,424.66

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Solution

The fourth proportional to 48,481.46, 72,714.09 and 13,424.66 is: 20,134.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,481.46 : 72,714.09 = 13,424.66 : x
  2. Step 2: Convert to fraction form
    48,481.46/72,714.09 = 13,424.66/x
  3. Step 3: Cross multiply
    48,481.46x = 72,714.09 × 13,424.66
  4. Step 4: Simplify right side
    48,481.46x = 976,161,935.46
  5. Step 5: Solve for x
    x = 976,161,935.46/48,481.46
  6. Step 6: Final answer
    x = 20,134.75

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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.