Home / 87,612.40-131,429.54-34,297.49

Finding the Fourth Proportional to 87,612.40, 131,429.54 and 34,297.49

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Solution

The fourth proportional to 87,612.40, 131,429.54 and 34,297.49 is: 51,450.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,612.40 : 131,429.54 = 34,297.49 : x
  2. Step 2: Convert to fraction form
    87,612.40/131,429.54 = 34,297.49/x
  3. Step 3: Cross multiply
    87,612.40x = 131,429.54 × 34,297.49
  4. Step 4: Simplify right side
    87,612.40x = 4,507,703,555.25
  5. Step 5: Solve for x
    x = 4,507,703,555.25/87,612.40
  6. Step 6: Final answer
    x = 51,450.52

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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.