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Finding the Fourth Proportional to 69,950.44, 96,568.14 and 54,393.58

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Solution

The fourth proportional to 69,950.44, 96,568.14 and 54,393.58 is: 75,091.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,950.44 : 96,568.14 = 54,393.58 : x
  2. Step 2: Convert to fraction form
    69,950.44/96,568.14 = 54,393.58/x
  3. Step 3: Cross multiply
    69,950.44x = 96,568.14 × 54,393.58
  4. Step 4: Simplify right side
    69,950.44x = 5,252,686,848.54
  5. Step 5: Solve for x
    x = 5,252,686,848.54/69,950.44
  6. Step 6: Final answer
    x = 75,091.55

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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.