Home / 69,513.38-104,177.79-36,224.50

Finding the Fourth Proportional to 69,513.38, 104,177.79 and 36,224.50

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Solution

The fourth proportional to 69,513.38, 104,177.79 and 36,224.50 is: 54,288.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,513.38 : 104,177.79 = 36,224.50 : x
  2. Step 2: Convert to fraction form
    69,513.38/104,177.79 = 36,224.50/x
  3. Step 3: Cross multiply
    69,513.38x = 104,177.79 × 36,224.50
  4. Step 4: Simplify right side
    69,513.38x = 3,773,788,353.86
  5. Step 5: Solve for x
    x = 3,773,788,353.86/69,513.38
  6. Step 6: Final answer
    x = 54,288.66

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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.