Home / 89,006.22-122,828.76-48,722.55

Finding the Fourth Proportional to 89,006.22, 122,828.76 and 48,722.55

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Solution

The fourth proportional to 89,006.22, 122,828.76 and 48,722.55 is: 67,237.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,006.22 : 122,828.76 = 48,722.55 : x
  2. Step 2: Convert to fraction form
    89,006.22/122,828.76 = 48,722.55/x
  3. Step 3: Cross multiply
    89,006.22x = 122,828.76 × 48,722.55
  4. Step 4: Simplify right side
    89,006.22x = 5,984,530,400.54
  5. Step 5: Solve for x
    x = 5,984,530,400.54/89,006.22
  6. Step 6: Final answer
    x = 67,237.22

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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.