Home / 69,631.65-96,093.81-39,416.36

Finding the Fourth Proportional to 69,631.65, 96,093.81 and 39,416.36

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Solution

The fourth proportional to 69,631.65, 96,093.81 and 39,416.36 is: 54,395.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,631.65 : 96,093.81 = 39,416.36 : x
  2. Step 2: Convert to fraction form
    69,631.65/96,093.81 = 39,416.36/x
  3. Step 3: Cross multiply
    69,631.65x = 96,093.81 × 39,416.36
  4. Step 4: Simplify right side
    69,631.65x = 3,787,667,728.26
  5. Step 5: Solve for x
    x = 3,787,667,728.26/69,631.65
  6. Step 6: Final answer
    x = 54,395.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.