Home / 69,785.07-96,305.55-39,571.65

Finding the Fourth Proportional to 69,785.07, 96,305.55 and 39,571.65

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Solution

The fourth proportional to 69,785.07, 96,305.55 and 39,571.65 is: 54,610.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,785.07 : 96,305.55 = 39,571.65 : x
  2. Step 2: Convert to fraction form
    69,785.07/96,305.55 = 39,571.65/x
  3. Step 3: Cross multiply
    69,785.07x = 96,305.55 × 39,571.65
  4. Step 4: Simplify right side
    69,785.07x = 3,810,969,517.66
  5. Step 5: Solve for x
    x = 3,810,969,517.66/69,785.07
  6. Step 6: Final answer
    x = 54,610.10

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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.