Home / 111,311.15-166,696.11-57,834.95

Finding the Fourth Proportional to 111,311.15, 166,696.11 and 57,834.95

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Solution

The fourth proportional to 111,311.15, 166,696.11 and 57,834.95 is: 86,611.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,311.15 : 166,696.11 = 57,834.95 : x
  2. Step 2: Convert to fraction form
    111,311.15/166,696.11 = 57,834.95/x
  3. Step 3: Cross multiply
    111,311.15x = 166,696.11 × 57,834.95
  4. Step 4: Simplify right side
    111,311.15x = 9,640,860,353.56
  5. Step 5: Solve for x
    x = 9,640,860,353.56/111,311.15
  6. Step 6: Final answer
    x = 86,611.82

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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.