Home / 54,921.84-75,792-29,771.40

Finding the Fourth Proportional to 54,921.84, 75,792 and 29,771.40

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Solution

The fourth proportional to 54,921.84, 75,792 and 29,771.40 is: 41,084.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,921.84 : 75,792 = 29,771.40 : x
  2. Step 2: Convert to fraction form
    54,921.84/75,792 = 29,771.40/x
  3. Step 3: Cross multiply
    54,921.84x = 75,792 × 29,771.40
  4. Step 4: Simplify right side
    54,921.84x = 2,256,433,948.80
  5. Step 5: Solve for x
    x = 2,256,433,948.80/54,921.84
  6. Step 6: Final answer
    x = 41,084.46

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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.