Home / 106,961.28-160,288.84-60,115.74

Finding the Fourth Proportional to 106,961.28, 160,288.84 and 60,115.74

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Solution

The fourth proportional to 106,961.28, 160,288.84 and 60,115.74 is: 90,087.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,961.28 : 160,288.84 = 60,115.74 : x
  2. Step 2: Convert to fraction form
    106,961.28/160,288.84 = 60,115.74/x
  3. Step 3: Cross multiply
    106,961.28x = 160,288.84 × 60,115.74
  4. Step 4: Simplify right side
    106,961.28x = 9,635,882,230.34
  5. Step 5: Solve for x
    x = 9,635,882,230.34/106,961.28
  6. Step 6: Final answer
    x = 90,087.57

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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.