Home / 98,963.75-136,578.62-54,260.39

Finding the Fourth Proportional to 98,963.75, 136,578.62 and 54,260.39

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Solution

The fourth proportional to 98,963.75, 136,578.62 and 54,260.39 is: 74,884.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,963.75 : 136,578.62 = 54,260.39 : x
  2. Step 2: Convert to fraction form
    98,963.75/136,578.62 = 54,260.39/x
  3. Step 3: Cross multiply
    98,963.75x = 136,578.62 × 54,260.39
  4. Step 4: Simplify right side
    98,963.75x = 7,410,808,915.56
  5. Step 5: Solve for x
    x = 7,410,808,915.56/98,963.75
  6. Step 6: Final answer
    x = 74,884.08

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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.