Home / 106,939.46-160,396.87-28,059.84

Finding the Fourth Proportional to 106,939.46, 160,396.87 and 28,059.84

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Solution

The fourth proportional to 106,939.46, 160,396.87 and 28,059.84 is: 42,086.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,939.46 : 160,396.87 = 28,059.84 : x
  2. Step 2: Convert to fraction form
    106,939.46/160,396.87 = 28,059.84/x
  3. Step 3: Cross multiply
    106,939.46x = 160,396.87 × 28,059.84
  4. Step 4: Simplify right side
    106,939.46x = 4,500,710,508.70
  5. Step 5: Solve for x
    x = 4,500,710,508.70/106,939.46
  6. Step 6: Final answer
    x = 42,086.53

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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.