Home / 69,781.08-104,699.58-25,410.92

Finding the Fourth Proportional to 69,781.08, 104,699.58 and 25,410.92

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Solution

The fourth proportional to 69,781.08, 104,699.58 and 25,410.92 is: 38,126.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,781.08 : 104,699.58 = 25,410.92 : x
  2. Step 2: Convert to fraction form
    69,781.08/104,699.58 = 25,410.92/x
  3. Step 3: Cross multiply
    69,781.08x = 104,699.58 × 25,410.92
  4. Step 4: Simplify right side
    69,781.08x = 2,660,512,651.41
  5. Step 5: Solve for x
    x = 2,660,512,651.41/69,781.08
  6. Step 6: Final answer
    x = 38,126.56

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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.