Home / 54,639.56-81,959.44-15,196.70

Finding the Fourth Proportional to 54,639.56, 81,959.44 and 15,196.70

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Solution

The fourth proportional to 54,639.56, 81,959.44 and 15,196.70 is: 22,795.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,639.56 : 81,959.44 = 15,196.70 : x
  2. Step 2: Convert to fraction form
    54,639.56/81,959.44 = 15,196.70/x
  3. Step 3: Cross multiply
    54,639.56x = 81,959.44 × 15,196.70
  4. Step 4: Simplify right side
    54,639.56x = 1,245,513,021.85
  5. Step 5: Solve for x
    x = 1,245,513,021.85/54,639.56
  6. Step 6: Final answer
    x = 22,795.08

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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.