Home / 70,738.94-106,136.77-25,763.43

Finding the Fourth Proportional to 70,738.94, 106,136.77 and 25,763.43

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Solution

The fourth proportional to 70,738.94, 106,136.77 and 25,763.43 is: 38,655.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,738.94 : 106,136.77 = 25,763.43 : x
  2. Step 2: Convert to fraction form
    70,738.94/106,136.77 = 25,763.43/x
  3. Step 3: Cross multiply
    70,738.94x = 106,136.77 × 25,763.43
  4. Step 4: Simplify right side
    70,738.94x = 2,734,447,179.91
  5. Step 5: Solve for x
    x = 2,734,447,179.91/70,738.94
  6. Step 6: Final answer
    x = 38,655.47

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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.