Home / 69,774.54-96,285.94-39,561.90

Finding the Fourth Proportional to 69,774.54, 96,285.94 and 39,561.90

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Solution

The fourth proportional to 69,774.54, 96,285.94 and 39,561.90 is: 54,593.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,774.54 : 96,285.94 = 39,561.90 : x
  2. Step 2: Convert to fraction form
    69,774.54/96,285.94 = 39,561.90/x
  3. Step 3: Cross multiply
    69,774.54x = 96,285.94 × 39,561.90
  4. Step 4: Simplify right side
    69,774.54x = 3,809,254,729.69
  5. Step 5: Solve for x
    x = 3,809,254,729.69/69,774.54
  6. Step 6: Final answer
    x = 54,593.76

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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.