Home / 95,427.91-131,725.92-81,945.01

Finding the Fourth Proportional to 95,427.91, 131,725.92 and 81,945.01

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Solution

The fourth proportional to 95,427.91, 131,725.92 and 81,945.01 is: 113,114.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,427.91 : 131,725.92 = 81,945.01 : x
  2. Step 2: Convert to fraction form
    95,427.91/131,725.92 = 81,945.01/x
  3. Step 3: Cross multiply
    95,427.91x = 131,725.92 × 81,945.01
  4. Step 4: Simplify right side
    95,427.91x = 10,794,281,831.66
  5. Step 5: Solve for x
    x = 10,794,281,831.66/95,427.91
  6. Step 6: Final answer
    x = 113,114.52

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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.