Home / 84,868.36-117,123.78-49,067.17

Finding the Fourth Proportional to 84,868.36, 117,123.78 and 49,067.17

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Solution

The fourth proportional to 84,868.36, 117,123.78 and 49,067.17 is: 67,715.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,868.36 : 117,123.78 = 49,067.17 : x
  2. Step 2: Convert to fraction form
    84,868.36/117,123.78 = 49,067.17/x
  3. Step 3: Cross multiply
    84,868.36x = 117,123.78 × 49,067.17
  4. Step 4: Simplify right side
    84,868.36x = 5,746,932,424.30
  5. Step 5: Solve for x
    x = 5,746,932,424.30/84,868.36
  6. Step 6: Final answer
    x = 67,715.84

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1.5x scale

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.