Home / 89,101.54-122,960.05-48,817.81

Finding the Fourth Proportional to 89,101.54, 122,960.05 and 48,817.81

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Solution

The fourth proportional to 89,101.54, 122,960.05 and 48,817.81 is: 67,368.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,101.54 : 122,960.05 = 48,817.81 : x
  2. Step 2: Convert to fraction form
    89,101.54/122,960.05 = 48,817.81/x
  3. Step 3: Cross multiply
    89,101.54x = 122,960.05 × 48,817.81
  4. Step 4: Simplify right side
    89,101.54x = 6,002,640,358.49
  5. Step 5: Solve for x
    x = 6,002,640,358.49/89,101.54
  6. Step 6: Final answer
    x = 67,368.54

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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.