Home / 64,344-88,799.58-39,198.36

Finding the Fourth Proportional to 64,344, 88,799.58 and 39,198.36

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Solution

The fourth proportional to 64,344, 88,799.58 and 39,198.36 is: 54,096.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,344 : 88,799.58 = 39,198.36 : x
  2. Step 2: Convert to fraction form
    64,344/88,799.58 = 39,198.36/x
  3. Step 3: Cross multiply
    64,344x = 88,799.58 × 39,198.36
  4. Step 4: Simplify right side
    64,344x = 3,480,797,904.69
  5. Step 5: Solve for x
    x = 3,480,797,904.69/64,344
  6. Step 6: Final answer
    x = 54,096.70

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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.