Home / 69,665.64-96,144.57-39,456.29

Finding the Fourth Proportional to 69,665.64, 96,144.57 and 39,456.29

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Solution

The fourth proportional to 69,665.64, 96,144.57 and 39,456.29 is: 54,453.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,665.64 : 96,144.57 = 39,456.29 : x
  2. Step 2: Convert to fraction form
    69,665.64/96,144.57 = 39,456.29/x
  3. Step 3: Cross multiply
    69,665.64x = 96,144.57 × 39,456.29
  4. Step 4: Simplify right side
    69,665.64x = 3,793,507,555.12
  5. Step 5: Solve for x
    x = 3,793,507,555.12/69,665.64
  6. Step 6: Final answer
    x = 54,453.06

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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.