Home / 77,198.70-115,809.11-23,895.36

Finding the Fourth Proportional to 77,198.70, 115,809.11 and 23,895.36

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Solution

The fourth proportional to 77,198.70, 115,809.11 and 23,895.36 is: 35,846.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,198.70 : 115,809.11 = 23,895.36 : x
  2. Step 2: Convert to fraction form
    77,198.70/115,809.11 = 23,895.36/x
  3. Step 3: Cross multiply
    77,198.70x = 115,809.11 × 23,895.36
  4. Step 4: Simplify right side
    77,198.70x = 2,767,300,374.73
  5. Step 5: Solve for x
    x = 2,767,300,374.73/77,198.70
  6. Step 6: Final answer
    x = 35,846.46

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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.