Home / 69,619.44-96,076.26-39,404.76

Finding the Fourth Proportional to 69,619.44, 96,076.26 and 39,404.76

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Solution

The fourth proportional to 69,619.44, 96,076.26 and 39,404.76 is: 54,379.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,619.44 : 96,076.26 = 39,404.76 : x
  2. Step 2: Convert to fraction form
    69,619.44/96,076.26 = 39,404.76/x
  3. Step 3: Cross multiply
    69,619.44x = 96,076.26 × 39,404.76
  4. Step 4: Simplify right side
    69,619.44x = 3,785,861,967.00
  5. Step 5: Solve for x
    x = 3,785,861,967.00/69,619.44
  6. Step 6: Final answer
    x = 54,379.38

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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.