Home / 97,135.89-145,706.57-27,015.21

Finding the Fourth Proportional to 97,135.89, 145,706.57 and 27,015.21

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Solution

The fourth proportional to 97,135.89, 145,706.57 and 27,015.21 is: 40,523.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,135.89 : 145,706.57 = 27,015.21 : x
  2. Step 2: Convert to fraction form
    97,135.89/145,706.57 = 27,015.21/x
  3. Step 3: Cross multiply
    97,135.89x = 145,706.57 × 27,015.21
  4. Step 4: Simplify right side
    97,135.89x = 3,936,293,451.85
  5. Step 5: Solve for x
    x = 3,936,293,451.85/97,135.89
  6. Step 6: Final answer
    x = 40,523.57

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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.