Home / 95,365.21-131,590.55-57,115.80

Finding the Fourth Proportional to 95,365.21, 131,590.55 and 57,115.80

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Solution

The fourth proportional to 95,365.21, 131,590.55 and 57,115.80 is: 78,811.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,365.21 : 131,590.55 = 57,115.80 : x
  2. Step 2: Convert to fraction form
    95,365.21/131,590.55 = 57,115.80/x
  3. Step 3: Cross multiply
    95,365.21x = 131,590.55 × 57,115.80
  4. Step 4: Simplify right side
    95,365.21x = 7,515,899,535.69
  5. Step 5: Solve for x
    x = 7,515,899,535.69/95,365.21
  6. Step 6: Final answer
    x = 78,811.75

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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.