Home / 76,178.23-114,286.78-48,296.41

Finding the Fourth Proportional to 76,178.23, 114,286.78 and 48,296.41

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Solution

The fourth proportional to 76,178.23, 114,286.78 and 48,296.41 is: 72,456.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,178.23 : 114,286.78 = 48,296.41 : x
  2. Step 2: Convert to fraction form
    76,178.23/114,286.78 = 48,296.41/x
  3. Step 3: Cross multiply
    76,178.23x = 114,286.78 × 48,296.41
  4. Step 4: Simplify right side
    76,178.23x = 5,519,640,959.11
  5. Step 5: Solve for x
    x = 5,519,640,959.11/76,178.23
  6. Step 6: Final answer
    x = 72,456.94

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.