Home / 69,774.30-96,285.60-39,561.66

Finding the Fourth Proportional to 69,774.30, 96,285.60 and 39,561.66

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Solution

The fourth proportional to 69,774.30, 96,285.60 and 39,561.66 is: 54,593.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,774.30 : 96,285.60 = 39,561.66 : x
  2. Step 2: Convert to fraction form
    69,774.30/96,285.60 = 39,561.66/x
  3. Step 3: Cross multiply
    69,774.30x = 96,285.60 × 39,561.66
  4. Step 4: Simplify right side
    69,774.30x = 3,809,218,170.10
  5. Step 5: Solve for x
    x = 3,809,218,170.10/69,774.30
  6. Step 6: Final answer
    x = 54,593.43

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1.5x scale

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.