Home / 54,628.46-81,943.23-15,188.65

Finding the Fourth Proportional to 54,628.46, 81,943.23 and 15,188.65

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Solution

The fourth proportional to 54,628.46, 81,943.23 and 15,188.65 is: 22,783.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,628.46 : 81,943.23 = 15,188.65 : x
  2. Step 2: Convert to fraction form
    54,628.46/81,943.23 = 15,188.65/x
  3. Step 3: Cross multiply
    54,628.46x = 81,943.23 × 15,188.65
  4. Step 4: Simplify right side
    54,628.46x = 1,244,607,040.34
  5. Step 5: Solve for x
    x = 1,244,607,040.34/54,628.46
  6. Step 6: Final answer
    x = 22,783.13

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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.