Home / 69,789.60-104,656.32-25,405.92

Finding the Fourth Proportional to 69,789.60, 104,656.32 and 25,405.92

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Solution

The fourth proportional to 69,789.60, 104,656.32 and 25,405.92 is: 38,098.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,789.60 : 104,656.32 = 25,405.92 : x
  2. Step 2: Convert to fraction form
    69,789.60/104,656.32 = 25,405.92/x
  3. Step 3: Cross multiply
    69,789.60x = 104,656.32 × 25,405.92
  4. Step 4: Simplify right side
    69,789.60x = 2,658,890,093.41
  5. Step 5: Solve for x
    x = 2,658,890,093.41/69,789.60
  6. Step 6: Final answer
    x = 38,098.66

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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.