Home / 63,735.96-87,979.68-54,747.48

Finding the Fourth Proportional to 63,735.96, 87,979.68 and 54,747.48

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Solution

The fourth proportional to 63,735.96, 87,979.68 and 54,747.48 is: 75,572.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,735.96 : 87,979.68 = 54,747.48 : x
  2. Step 2: Convert to fraction form
    63,735.96/87,979.68 = 54,747.48/x
  3. Step 3: Cross multiply
    63,735.96x = 87,979.68 × 54,747.48
  4. Step 4: Simplify right side
    63,735.96x = 4,816,665,771.21
  5. Step 5: Solve for x
    x = 4,816,665,771.21/63,735.96
  6. Step 6: Final answer
    x = 75,572.19

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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.