Home / 54,242.09-81,333.75-16,792

Finding the Fourth Proportional to 54,242.09, 81,333.75 and 16,792

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Solution

The fourth proportional to 54,242.09, 81,333.75 and 16,792 is: 25,178.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,242.09 : 81,333.75 = 16,792 : x
  2. Step 2: Convert to fraction form
    54,242.09/81,333.75 = 16,792/x
  3. Step 3: Cross multiply
    54,242.09x = 81,333.75 × 16,792
  4. Step 4: Simplify right side
    54,242.09x = 1,365,756,330
  5. Step 5: Solve for x
    x = 1,365,756,330/54,242.09
  6. Step 6: Final answer
    x = 25,178.90

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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.