Home / 89,235.78-123,148.79-48,951.24

Finding the Fourth Proportional to 89,235.78, 123,148.79 and 48,951.24

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Solution

The fourth proportional to 89,235.78, 123,148.79 and 48,951.24 is: 67,554.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,235.78 : 123,148.79 = 48,951.24 : x
  2. Step 2: Convert to fraction form
    89,235.78/123,148.79 = 48,951.24/x
  3. Step 3: Cross multiply
    89,235.78x = 123,148.79 × 48,951.24
  4. Step 4: Simplify right side
    89,235.78x = 6,028,285,975.00
  5. Step 5: Solve for x
    x = 6,028,285,975.00/89,235.78
  6. Step 6: Final answer
    x = 67,554.58

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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.