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Finding the Fourth Proportional to 95,658.21, 132,019.67 and 54,836.94

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Solution

The fourth proportional to 95,658.21, 132,019.67 and 54,836.94 is: 75,681.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,658.21 : 132,019.67 = 54,836.94 : x
  2. Step 2: Convert to fraction form
    95,658.21/132,019.67 = 54,836.94/x
  3. Step 3: Cross multiply
    95,658.21x = 132,019.67 × 54,836.94
  4. Step 4: Simplify right side
    95,658.21x = 7,239,554,722.61
  5. Step 5: Solve for x
    x = 7,239,554,722.61/95,658.21
  6. Step 6: Final answer
    x = 75,681.48

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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.