Home / 66,546.50-99,763.86-27,131.90

Finding the Fourth Proportional to 66,546.50, 99,763.86 and 27,131.90

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Solution

The fourth proportional to 66,546.50, 99,763.86 and 27,131.90 is: 40,675.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,546.50 : 99,763.86 = 27,131.90 : x
  2. Step 2: Convert to fraction form
    66,546.50/99,763.86 = 27,131.90/x
  3. Step 3: Cross multiply
    66,546.50x = 99,763.86 × 27,131.90
  4. Step 4: Simplify right side
    66,546.50x = 2,706,783,073.13
  5. Step 5: Solve for x
    x = 2,706,783,073.13/66,546.50
  6. Step 6: Final answer
    x = 40,675.06

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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.