Home / 95,561.76-131,879.73-53,121

Finding the Fourth Proportional to 95,561.76, 131,879.73 and 53,121

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Solution

The fourth proportional to 95,561.76, 131,879.73 and 53,121 is: 73,309.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,561.76 : 131,879.73 = 53,121 : x
  2. Step 2: Convert to fraction form
    95,561.76/131,879.73 = 53,121/x
  3. Step 3: Cross multiply
    95,561.76x = 131,879.73 × 53,121
  4. Step 4: Simplify right side
    95,561.76x = 7,005,583,137.33
  5. Step 5: Solve for x
    x = 7,005,583,137.33/95,561.76
  6. Step 6: Final answer
    x = 73,309.48

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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.