Home / 117,961.40-176,942.10-61,974.20

Finding the Fourth Proportional to 117,961.40, 176,942.10 and 61,974.20

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Solution

The fourth proportional to 117,961.40, 176,942.10 and 61,974.20 is: 92,961.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,961.40 : 176,942.10 = 61,974.20 : x
  2. Step 2: Convert to fraction form
    117,961.40/176,942.10 = 61,974.20/x
  3. Step 3: Cross multiply
    117,961.40x = 176,942.10 × 61,974.20
  4. Step 4: Simplify right side
    117,961.40x = 10,965,845,093.82
  5. Step 5: Solve for x
    x = 10,965,845,093.82/117,961.40
  6. Step 6: Final answer
    x = 92,961.30

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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.