Home / 69,943.97-96,519.40-39,725.37

Finding the Fourth Proportional to 69,943.97, 96,519.40 and 39,725.37

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Solution

The fourth proportional to 69,943.97, 96,519.40 and 39,725.37 is: 54,819.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,943.97 : 96,519.40 = 39,725.37 : x
  2. Step 2: Convert to fraction form
    69,943.97/96,519.40 = 39,725.37/x
  3. Step 3: Cross multiply
    69,943.97x = 96,519.40 × 39,725.37
  4. Step 4: Simplify right side
    69,943.97x = 3,834,268,777.86
  5. Step 5: Solve for x
    x = 3,834,268,777.86/69,943.97
  6. Step 6: Final answer
    x = 54,819.15

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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.