Home / 55,705.72-83,575.92-18,266.08

Finding the Fourth Proportional to 55,705.72, 83,575.92 and 18,266.08

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Solution

The fourth proportional to 55,705.72, 83,575.92 and 18,266.08 is: 27,404.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,705.72 : 83,575.92 = 18,266.08 : x
  2. Step 2: Convert to fraction form
    55,705.72/83,575.92 = 18,266.08/x
  3. Step 3: Cross multiply
    55,705.72x = 83,575.92 × 18,266.08
  4. Step 4: Simplify right side
    55,705.72x = 1,526,604,440.79
  5. Step 5: Solve for x
    x = 1,526,604,440.79/55,705.72
  6. Step 6: Final answer
    x = 27,404.81

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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.