Home / 98,761.41-148,115.67-27,680.06

Finding the Fourth Proportional to 98,761.41, 148,115.67 and 27,680.06

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Solution

The fourth proportional to 98,761.41, 148,115.67 and 27,680.06 is: 41,512.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,761.41 : 148,115.67 = 27,680.06 : x
  2. Step 2: Convert to fraction form
    98,761.41/148,115.67 = 27,680.06/x
  3. Step 3: Cross multiply
    98,761.41x = 148,115.67 × 27,680.06
  4. Step 4: Simplify right side
    98,761.41x = 4,099,849,891.96
  5. Step 5: Solve for x
    x = 4,099,849,891.96/98,761.41
  6. Step 6: Final answer
    x = 41,512.67

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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.