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Finding the Fourth Proportional to 95.69, 132 and 68.03

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Solution

The fourth proportional to 95.69, 132 and 68.03 is: 93.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    95.69 : 132 = 68.03 : x
  2. Step 2: Convert to fraction form
    95.69/132 = 68.03/x
  3. Step 3: Cross multiply
    95.69x = 132 × 68.03
  4. Step 4: Simplify right side
    95.69x = 8,979.96
  5. Step 5: Solve for x
    x = 8,979.96/95.69
  6. Step 6: Final answer
    x = 93.84

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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.