Home / 94,949.15-131,062.78-54,678.95

Finding the Fourth Proportional to 94,949.15, 131,062.78 and 54,678.95

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Solution

The fourth proportional to 94,949.15, 131,062.78 and 54,678.95 is: 75,475.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,949.15 : 131,062.78 = 54,678.95 : x
  2. Step 2: Convert to fraction form
    94,949.15/131,062.78 = 54,678.95/x
  3. Step 3: Cross multiply
    94,949.15x = 131,062.78 × 54,678.95
  4. Step 4: Simplify right side
    94,949.15x = 7,166,375,099.00
  5. Step 5: Solve for x
    x = 7,166,375,099.00/94,949.15
  6. Step 6: Final answer
    x = 75,475.93

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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.