Home / 54,942.78-75,821.50-29,792.28

Finding the Fourth Proportional to 54,942.78, 75,821.50 and 29,792.28

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Solution

The fourth proportional to 54,942.78, 75,821.50 and 29,792.28 is: 41,113.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,942.78 : 75,821.50 = 29,792.28 : x
  2. Step 2: Convert to fraction form
    54,942.78/75,821.50 = 29,792.28/x
  3. Step 3: Cross multiply
    54,942.78x = 75,821.50 × 29,792.28
  4. Step 4: Simplify right side
    54,942.78x = 2,258,895,679.59
  5. Step 5: Solve for x
    x = 2,258,895,679.59/54,942.78
  6. Step 6: Final answer
    x = 41,113.60

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.