Home / 69,021.72-95,247.48-38,394.66

Finding the Fourth Proportional to 69,021.72, 95,247.48 and 38,394.66

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Solution

The fourth proportional to 69,021.72, 95,247.48 and 38,394.66 is: 52,983.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,021.72 : 95,247.48 = 38,394.66 : x
  2. Step 2: Convert to fraction form
    69,021.72/95,247.48 = 38,394.66/x
  3. Step 3: Cross multiply
    69,021.72x = 95,247.48 × 38,394.66
  4. Step 4: Simplify right side
    69,021.72x = 3,656,994,610.46
  5. Step 5: Solve for x
    x = 3,656,994,610.46/69,021.72
  6. Step 6: Final answer
    x = 52,983.24

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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.