Home / 95,406.42-131,784.87-72,606.96

Finding the Fourth Proportional to 95,406.42, 131,784.87 and 72,606.96

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Solution

The fourth proportional to 95,406.42, 131,784.87 and 72,606.96 is: 100,291.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,406.42 : 131,784.87 = 72,606.96 : x
  2. Step 2: Convert to fraction form
    95,406.42/131,784.87 = 72,606.96/x
  3. Step 3: Cross multiply
    95,406.42x = 131,784.87 × 72,606.96
  4. Step 4: Simplify right side
    95,406.42x = 9,568,498,784.70
  5. Step 5: Solve for x
    x = 9,568,498,784.70/95,406.42
  6. Step 6: Final answer
    x = 100,291.98

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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.