Home / 69,091.11-95,353.47-38,883.78

Finding the Fourth Proportional to 69,091.11, 95,353.47 and 38,883.78

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Solution

The fourth proportional to 69,091.11, 95,353.47 and 38,883.78 is: 53,663.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,091.11 : 95,353.47 = 38,883.78 : x
  2. Step 2: Convert to fraction form
    69,091.11/95,353.47 = 38,883.78/x
  3. Step 3: Cross multiply
    69,091.11x = 95,353.47 × 38,883.78
  4. Step 4: Simplify right side
    69,091.11x = 3,707,703,349.72
  5. Step 5: Solve for x
    x = 3,707,703,349.72/69,091.11
  6. Step 6: Final answer
    x = 53,663.97

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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.