Home / 55,797.89-83,687.58-18,358.43

Finding the Fourth Proportional to 55,797.89, 83,687.58 and 18,358.43

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Solution

The fourth proportional to 55,797.89, 83,687.58 and 18,358.43 is: 27,534.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,797.89 : 83,687.58 = 18,358.43 : x
  2. Step 2: Convert to fraction form
    55,797.89/83,687.58 = 18,358.43/x
  3. Step 3: Cross multiply
    55,797.89x = 83,687.58 × 18,358.43
  4. Step 4: Simplify right side
    55,797.89x = 1,536,372,160.86
  5. Step 5: Solve for x
    x = 1,536,372,160.86/55,797.89
  6. Step 6: Final answer
    x = 27,534.59

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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.