Home / 54,586.47-81,875-33,233.65

Finding the Fourth Proportional to 54,586.47, 81,875 and 33,233.65

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Solution

The fourth proportional to 54,586.47, 81,875 and 33,233.65 is: 49,847.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,586.47 : 81,875 = 33,233.65 : x
  2. Step 2: Convert to fraction form
    54,586.47/81,875 = 33,233.65/x
  3. Step 3: Cross multiply
    54,586.47x = 81,875 × 33,233.65
  4. Step 4: Simplify right side
    54,586.47x = 2,721,005,093.75
  5. Step 5: Solve for x
    x = 2,721,005,093.75/54,586.47
  6. Step 6: Final answer
    x = 49,847.61

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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.