Home / 70,529.88-105,727.32-26,144.70

Finding the Fourth Proportional to 70,529.88, 105,727.32 and 26,144.70

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Solution

The fourth proportional to 70,529.88, 105,727.32 and 26,144.70 is: 39,192.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,529.88 : 105,727.32 = 26,144.70 : x
  2. Step 2: Convert to fraction form
    70,529.88/105,727.32 = 26,144.70/x
  3. Step 3: Cross multiply
    70,529.88x = 105,727.32 × 26,144.70
  4. Step 4: Simplify right side
    70,529.88x = 2,764,209,063.20
  5. Step 5: Solve for x
    x = 2,764,209,063.20/70,529.88
  6. Step 6: Final answer
    x = 39,192.03

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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.