Home / 55,013.96-75,919.20-29,863.46

Finding the Fourth Proportional to 55,013.96, 75,919.20 and 29,863.46

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Solution

The fourth proportional to 55,013.96, 75,919.20 and 29,863.46 is: 41,211.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,013.96 : 75,919.20 = 29,863.46 : x
  2. Step 2: Convert to fraction form
    55,013.96/75,919.20 = 29,863.46/x
  3. Step 3: Cross multiply
    55,013.96x = 75,919.20 × 29,863.46
  4. Step 4: Simplify right side
    55,013.96x = 2,267,209,992.43
  5. Step 5: Solve for x
    x = 2,267,209,992.43/55,013.96
  6. Step 6: Final answer
    x = 41,211.54

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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.