Home / 55,581.93-83,381.58-18,133.35

Finding the Fourth Proportional to 55,581.93, 83,381.58 and 18,133.35

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Solution

The fourth proportional to 55,581.93, 83,381.58 and 18,133.35 is: 27,202.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,581.93 : 83,381.58 = 18,133.35 : x
  2. Step 2: Convert to fraction form
    55,581.93/83,381.58 = 18,133.35/x
  3. Step 3: Cross multiply
    55,581.93x = 83,381.58 × 18,133.35
  4. Step 4: Simplify right side
    55,581.93x = 1,511,987,373.69
  5. Step 5: Solve for x
    x = 1,511,987,373.69/55,581.93
  6. Step 6: Final answer
    x = 27,202.86

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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.