Home / 118,052.49-176,982.22-54,912

Finding the Fourth Proportional to 118,052.49, 176,982.22 and 54,912

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Solution

The fourth proportional to 118,052.49, 176,982.22 and 54,912 is: 82,323.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,052.49 : 176,982.22 = 54,912 : x
  2. Step 2: Convert to fraction form
    118,052.49/176,982.22 = 54,912/x
  3. Step 3: Cross multiply
    118,052.49x = 176,982.22 × 54,912
  4. Step 4: Simplify right side
    118,052.49x = 9,718,447,664.64
  5. Step 5: Solve for x
    x = 9,718,447,664.64/118,052.49
  6. Step 6: Final answer
    x = 82,323.11

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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.