Home / 95,639.94-131,994.56-57,420.90

Finding the Fourth Proportional to 95,639.94, 131,994.56 and 57,420.90

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Solution

The fourth proportional to 95,639.94, 131,994.56 and 57,420.90 is: 79,247.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,639.94 : 131,994.56 = 57,420.90 : x
  2. Step 2: Convert to fraction form
    95,639.94/131,994.56 = 57,420.90/x
  3. Step 3: Cross multiply
    95,639.94x = 131,994.56 × 57,420.90
  4. Step 4: Simplify right side
    95,639.94x = 7,579,246,573.86
  5. Step 5: Solve for x
    x = 7,579,246,573.86/95,639.94
  6. Step 6: Final answer
    x = 79,247.71

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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.