Home / 89,206.05-123,104.03-48,918.81

Finding the Fourth Proportional to 89,206.05, 123,104.03 and 48,918.81

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Solution

The fourth proportional to 89,206.05, 123,104.03 and 48,918.81 is: 67,507.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,206.05 : 123,104.03 = 48,918.81 : x
  2. Step 2: Convert to fraction form
    89,206.05/123,104.03 = 48,918.81/x
  3. Step 3: Cross multiply
    89,206.05x = 123,104.03 × 48,918.81
  4. Step 4: Simplify right side
    89,206.05x = 6,022,102,409.21
  5. Step 5: Solve for x
    x = 6,022,102,409.21/89,206.05
  6. Step 6: Final answer
    x = 67,507.78

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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.