Home / 54,543.33-81,683.78-31,098.69

Finding the Fourth Proportional to 54,543.33, 81,683.78 and 31,098.69

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Solution

The fourth proportional to 54,543.33, 81,683.78 and 31,098.69 is: 46,573.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,543.33 : 81,683.78 = 31,098.69 : x
  2. Step 2: Convert to fraction form
    54,543.33/81,683.78 = 31,098.69/x
  3. Step 3: Cross multiply
    54,543.33x = 81,683.78 × 31,098.69
  4. Step 4: Simplify right side
    54,543.33x = 2,540,258,396.75
  5. Step 5: Solve for x
    x = 2,540,258,396.75/54,543.33
  6. Step 6: Final answer
    x = 46,573.22

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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.