Home / 69,786.76-104,724.54-25,409.20

Finding the Fourth Proportional to 69,786.76, 104,724.54 and 25,409.20

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Solution

The fourth proportional to 69,786.76, 104,724.54 and 25,409.20 is: 38,129.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,786.76 : 104,724.54 = 25,409.20 : x
  2. Step 2: Convert to fraction form
    69,786.76/104,724.54 = 25,409.20/x
  3. Step 3: Cross multiply
    69,786.76x = 104,724.54 × 25,409.20
  4. Step 4: Simplify right side
    69,786.76x = 2,660,966,781.77
  5. Step 5: Solve for x
    x = 2,660,966,781.77/69,786.76
  6. Step 6: Final answer
    x = 38,129.97

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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.