Home / 69,777.30-104,603.60-25,372.77

Finding the Fourth Proportional to 69,777.30, 104,603.60 and 25,372.77

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Solution

The fourth proportional to 69,777.30, 104,603.60 and 25,372.77 is: 38,036.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,777.30 : 104,603.60 = 25,372.77 : x
  2. Step 2: Convert to fraction form
    69,777.30/104,603.60 = 25,372.77/x
  3. Step 3: Cross multiply
    69,777.30x = 104,603.60 × 25,372.77
  4. Step 4: Simplify right side
    69,777.30x = 2,654,083,049.34
  5. Step 5: Solve for x
    x = 2,654,083,049.34/69,777.30
  6. Step 6: Final answer
    x = 38,036.48

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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.