Home / 112,934.45-169,175.80-67,930.95

Finding the Fourth Proportional to 112,934.45, 169,175.80 and 67,930.95

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Solution

The fourth proportional to 112,934.45, 169,175.80 and 67,930.95 is: 101,760.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,934.45 : 169,175.80 = 67,930.95 : x
  2. Step 2: Convert to fraction form
    112,934.45/169,175.80 = 67,930.95/x
  3. Step 3: Cross multiply
    112,934.45x = 169,175.80 × 67,930.95
  4. Step 4: Simplify right side
    112,934.45x = 11,492,273,530.33
  5. Step 5: Solve for x
    x = 11,492,273,530.33/112,934.45
  6. Step 6: Final answer
    x = 101,760.56

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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.