Home / 89,057.99-122,900.42-48,772.04

Finding the Fourth Proportional to 89,057.99, 122,900.42 and 48,772.04

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Solution

The fourth proportional to 89,057.99, 122,900.42 and 48,772.04 is: 67,305.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,057.99 : 122,900.42 = 48,772.04 : x
  2. Step 2: Convert to fraction form
    89,057.99/122,900.42 = 48,772.04/x
  3. Step 3: Cross multiply
    89,057.99x = 122,900.42 × 48,772.04
  4. Step 4: Simplify right side
    89,057.99x = 5,994,103,707.68
  5. Step 5: Solve for x
    x = 5,994,103,707.68/89,057.99
  6. Step 6: Final answer
    x = 67,305.62

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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.