Home / 69,486.12-104,034.78-36,133.56

Finding the Fourth Proportional to 69,486.12, 104,034.78 and 36,133.56

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Solution

The fourth proportional to 69,486.12, 104,034.78 and 36,133.56 is: 54,099.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,486.12 : 104,034.78 = 36,133.56 : x
  2. Step 2: Convert to fraction form
    69,486.12/104,034.78 = 36,133.56/x
  3. Step 3: Cross multiply
    69,486.12x = 104,034.78 × 36,133.56
  4. Step 4: Simplify right side
    69,486.12x = 3,759,146,965.22
  5. Step 5: Solve for x
    x = 3,759,146,965.22/69,486.12
  6. Step 6: Final answer
    x = 54,099.25

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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.