Home / 89,630.50-123,698.34-49,352.44

Finding the Fourth Proportional to 89,630.50, 123,698.34 and 49,352.44

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Solution

The fourth proportional to 89,630.50, 123,698.34 and 49,352.44 is: 68,110.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,630.50 : 123,698.34 = 49,352.44 : x
  2. Step 2: Convert to fraction form
    89,630.50/123,698.34 = 49,352.44/x
  3. Step 3: Cross multiply
    89,630.50x = 123,698.34 × 49,352.44
  4. Step 4: Simplify right side
    89,630.50x = 6,104,814,902.95
  5. Step 5: Solve for x
    x = 6,104,814,902.95/89,630.50
  6. Step 6: Final answer
    x = 68,110.91

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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.