Home / 125,135.15-187,571.43-58,519.13

Finding the Fourth Proportional to 125,135.15, 187,571.43 and 58,519.13

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Solution

The fourth proportional to 125,135.15, 187,571.43 and 58,519.13 is: 87,717.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,135.15 : 187,571.43 = 58,519.13 : x
  2. Step 2: Convert to fraction form
    125,135.15/187,571.43 = 58,519.13/x
  3. Step 3: Cross multiply
    125,135.15x = 187,571.43 × 58,519.13
  4. Step 4: Simplify right side
    125,135.15x = 10,976,515,958.60
  5. Step 5: Solve for x
    x = 10,976,515,958.60/125,135.15
  6. Step 6: Final answer
    x = 87,717.29

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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.