Home / 87,297.25-120,466.32-51,002.06

Finding the Fourth Proportional to 87,297.25, 120,466.32 and 51,002.06

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Solution

The fourth proportional to 87,297.25, 120,466.32 and 51,002.06 is: 70,380.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,297.25 : 120,466.32 = 51,002.06 : x
  2. Step 2: Convert to fraction form
    87,297.25/120,466.32 = 51,002.06/x
  3. Step 3: Cross multiply
    87,297.25x = 120,466.32 × 51,002.06
  4. Step 4: Simplify right side
    87,297.25x = 6,144,030,480.62
  5. Step 5: Solve for x
    x = 6,144,030,480.62/87,297.25
  6. Step 6: Final answer
    x = 70,380.57

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.