Home / 89,104.16-122,963.75-48,819.45

Finding the Fourth Proportional to 89,104.16, 122,963.75 and 48,819.45

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Solution

The fourth proportional to 89,104.16, 122,963.75 and 48,819.45 is: 67,370.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,104.16 : 122,963.75 = 48,819.45 : x
  2. Step 2: Convert to fraction form
    89,104.16/122,963.75 = 48,819.45/x
  3. Step 3: Cross multiply
    89,104.16x = 122,963.75 × 48,819.45
  4. Step 4: Simplify right side
    89,104.16x = 6,003,022,644.94
  5. Step 5: Solve for x
    x = 6,003,022,644.94/89,104.16
  6. Step 6: Final answer
    x = 67,370.85

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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.