Home / 69,850.37-96,390.66-39,635.06

Finding the Fourth Proportional to 69,850.37, 96,390.66 and 39,635.06

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Solution

The fourth proportional to 69,850.37, 96,390.66 and 39,635.06 is: 54,694.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,850.37 : 96,390.66 = 39,635.06 : x
  2. Step 2: Convert to fraction form
    69,850.37/96,390.66 = 39,635.06/x
  3. Step 3: Cross multiply
    69,850.37x = 96,390.66 × 39,635.06
  4. Step 4: Simplify right side
    69,850.37x = 3,820,449,592.54
  5. Step 5: Solve for x
    x = 3,820,449,592.54/69,850.37
  6. Step 6: Final answer
    x = 54,694.77

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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.