Home / 69,936.74-96,513.78-38,105.64

Finding the Fourth Proportional to 69,936.74, 96,513.78 and 38,105.64

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Solution

The fourth proportional to 69,936.74, 96,513.78 and 38,105.64 is: 52,586.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,936.74 : 96,513.78 = 38,105.64 : x
  2. Step 2: Convert to fraction form
    69,936.74/96,513.78 = 38,105.64/x
  3. Step 3: Cross multiply
    69,936.74x = 96,513.78 × 38,105.64
  4. Step 4: Simplify right side
    69,936.74x = 3,677,719,355.72
  5. Step 5: Solve for x
    x = 3,677,719,355.72/69,936.74
  6. Step 6: Final answer
    x = 52,586.37

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1.5x scale

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.