Home / 62,515.22-86,311.24-55,789.29

Finding the Fourth Proportional to 62,515.22, 86,311.24 and 55,789.29

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Solution

The fourth proportional to 62,515.22, 86,311.24 and 55,789.29 is: 77,025.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,515.22 : 86,311.24 = 55,789.29 : x
  2. Step 2: Convert to fraction form
    62,515.22/86,311.24 = 55,789.29/x
  3. Step 3: Cross multiply
    62,515.22x = 86,311.24 × 55,789.29
  4. Step 4: Simplify right side
    62,515.22x = 4,815,242,659.15
  5. Step 5: Solve for x
    x = 4,815,242,659.15/62,515.22
  6. Step 6: Final answer
    x = 77,025.13

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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.