Home / 69,943.60-96,519.14-39,728.82

Finding the Fourth Proportional to 69,943.60, 96,519.14 and 39,728.82

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Solution

The fourth proportional to 69,943.60, 96,519.14 and 39,728.82 is: 54,824.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,943.60 : 96,519.14 = 39,728.82 : x
  2. Step 2: Convert to fraction form
    69,943.60/96,519.14 = 39,728.82/x
  3. Step 3: Cross multiply
    69,943.60x = 96,519.14 × 39,728.82
  4. Step 4: Simplify right side
    69,943.60x = 3,834,591,340.97
  5. Step 5: Solve for x
    x = 3,834,591,340.97/69,943.60
  6. Step 6: Final answer
    x = 54,824.05

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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.