Home / 89,105.04-122,964.87-48,821.31

Finding the Fourth Proportional to 89,105.04, 122,964.87 and 48,821.31

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Solution

The fourth proportional to 89,105.04, 122,964.87 and 48,821.31 is: 67,373.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,105.04 : 122,964.87 = 48,821.31 : x
  2. Step 2: Convert to fraction form
    89,105.04/122,964.87 = 48,821.31/x
  3. Step 3: Cross multiply
    89,105.04x = 122,964.87 × 48,821.31
  4. Step 4: Simplify right side
    89,105.04x = 6,003,306,037.38
  5. Step 5: Solve for x
    x = 6,003,306,037.38/89,105.04
  6. Step 6: Final answer
    x = 67,373.36

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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.