Home / 54,731.68-75,520.26-31,753.18

Finding the Fourth Proportional to 54,731.68, 75,520.26 and 31,753.18

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Solution

The fourth proportional to 54,731.68, 75,520.26 and 31,753.18 is: 43,813.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,731.68 : 75,520.26 = 31,753.18 : x
  2. Step 2: Convert to fraction form
    54,731.68/75,520.26 = 31,753.18/x
  3. Step 3: Cross multiply
    54,731.68x = 75,520.26 × 31,753.18
  4. Step 4: Simplify right side
    54,731.68x = 2,398,008,409.43
  5. Step 5: Solve for x
    x = 2,398,008,409.43/54,731.68
  6. Step 6: Final answer
    x = 43,813.90

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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.