Home / 54,803.27-82,155.56-19,718.25

Finding the Fourth Proportional to 54,803.27, 82,155.56 and 19,718.25

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Solution

The fourth proportional to 54,803.27, 82,155.56 and 19,718.25 is: 29,559.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,803.27 : 82,155.56 = 19,718.25 : x
  2. Step 2: Convert to fraction form
    54,803.27/82,155.56 = 19,718.25/x
  3. Step 3: Cross multiply
    54,803.27x = 82,155.56 × 19,718.25
  4. Step 4: Simplify right side
    54,803.27x = 1,619,963,772.38
  5. Step 5: Solve for x
    x = 1,619,963,772.38/54,803.27
  6. Step 6: Final answer
    x = 29,559.62

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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.