Home / 69,857.35-104,278.84-64,653.37

Finding the Fourth Proportional to 69,857.35, 104,278.84 and 64,653.37

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Solution

The fourth proportional to 69,857.35, 104,278.84 and 64,653.37 is: 96,510.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,857.35 : 104,278.84 = 64,653.37 : x
  2. Step 2: Convert to fraction form
    69,857.35/104,278.84 = 64,653.37/x
  3. Step 3: Cross multiply
    69,857.35x = 104,278.84 × 64,653.37
  4. Step 4: Simplify right side
    69,857.35x = 6,741,978,425.69
  5. Step 5: Solve for x
    x = 6,741,978,425.69/69,857.35
  6. Step 6: Final answer
    x = 96,510.65

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.