Home / 95,639.28-131,981.82-53,197.80

Finding the Fourth Proportional to 95,639.28, 131,981.82 and 53,197.80

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Solution

The fourth proportional to 95,639.28, 131,981.82 and 53,197.80 is: 73,412.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,639.28 : 131,981.82 = 53,197.80 : x
  2. Step 2: Convert to fraction form
    95,639.28/131,981.82 = 53,197.80/x
  3. Step 3: Cross multiply
    95,639.28x = 131,981.82 × 53,197.80
  4. Step 4: Simplify right side
    95,639.28x = 7,021,142,464.00
  5. Step 5: Solve for x
    x = 7,021,142,464.00/95,639.28
  6. Step 6: Final answer
    x = 73,412.75

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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.