Home / 55,517.10-83,234.61-28,824.77

Finding the Fourth Proportional to 55,517.10, 83,234.61 and 28,824.77

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Solution

The fourth proportional to 55,517.10, 83,234.61 and 28,824.77 is: 43,215.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,517.10 : 83,234.61 = 28,824.77 : x
  2. Step 2: Convert to fraction form
    55,517.10/83,234.61 = 28,824.77/x
  3. Step 3: Cross multiply
    55,517.10x = 83,234.61 × 28,824.77
  4. Step 4: Simplify right side
    55,517.10x = 2,399,218,073.12
  5. Step 5: Solve for x
    x = 2,399,218,073.12/55,517.10
  6. Step 6: Final answer
    x = 43,215.84

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.