Home / 95,640.13-131,983.32-53,197.75

Finding the Fourth Proportional to 95,640.13, 131,983.32 and 53,197.75

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Solution

The fourth proportional to 95,640.13, 131,983.32 and 53,197.75 is: 73,412.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,640.13 : 131,983.32 = 53,197.75 : x
  2. Step 2: Convert to fraction form
    95,640.13/131,983.32 = 53,197.75/x
  3. Step 3: Cross multiply
    95,640.13x = 131,983.32 × 53,197.75
  4. Step 4: Simplify right side
    95,640.13x = 7,021,215,661.53
  5. Step 5: Solve for x
    x = 7,021,215,661.53/95,640.13
  6. Step 6: Final answer
    x = 73,412.86

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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.