Home / 115,964.54-173,996.32-49,436

Finding the Fourth Proportional to 115,964.54, 173,996.32 and 49,436

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Solution

The fourth proportional to 115,964.54, 173,996.32 and 49,436 is: 74,175.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,964.54 : 173,996.32 = 49,436 : x
  2. Step 2: Convert to fraction form
    115,964.54/173,996.32 = 49,436/x
  3. Step 3: Cross multiply
    115,964.54x = 173,996.32 × 49,436
  4. Step 4: Simplify right side
    115,964.54x = 8,601,682,075.52
  5. Step 5: Solve for x
    x = 8,601,682,075.52/115,964.54
  6. Step 6: Final answer
    x = 74,175.11

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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.