Home / 77,049.12-115,571.97-35,496.12

Finding the Fourth Proportional to 77,049.12, 115,571.97 and 35,496.12

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Solution

The fourth proportional to 77,049.12, 115,571.97 and 35,496.12 is: 53,243.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,049.12 : 115,571.97 = 35,496.12 : x
  2. Step 2: Convert to fraction form
    77,049.12/115,571.97 = 35,496.12/x
  3. Step 3: Cross multiply
    77,049.12x = 115,571.97 × 35,496.12
  4. Step 4: Simplify right side
    77,049.12x = 4,102,356,515.76
  5. Step 5: Solve for x
    x = 4,102,356,515.76/77,049.12
  6. Step 6: Final answer
    x = 53,243.39

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1.5x scale

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.