Home / 69,564.11-95,998.47-39,348.78

Finding the Fourth Proportional to 69,564.11, 95,998.47 and 39,348.78

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Solution

The fourth proportional to 69,564.11, 95,998.47 and 39,348.78 is: 54,301.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,564.11 : 95,998.47 = 39,348.78 : x
  2. Step 2: Convert to fraction form
    69,564.11/95,998.47 = 39,348.78/x
  3. Step 3: Cross multiply
    69,564.11x = 95,998.47 × 39,348.78
  4. Step 4: Simplify right side
    69,564.11x = 3,777,422,676.37
  5. Step 5: Solve for x
    x = 3,777,422,676.37/69,564.11
  6. Step 6: Final answer
    x = 54,301.32

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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.