Home / 52,667.11-72,680.87-28,793.79

Finding the Fourth Proportional to 52,667.11, 72,680.87 and 28,793.79

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Solution

The fourth proportional to 52,667.11, 72,680.87 and 28,793.79 is: 39,735.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,667.11 : 72,680.87 = 28,793.79 : x
  2. Step 2: Convert to fraction form
    52,667.11/72,680.87 = 28,793.79/x
  3. Step 3: Cross multiply
    52,667.11x = 72,680.87 × 28,793.79
  4. Step 4: Simplify right side
    52,667.11x = 2,092,757,707.80
  5. Step 5: Solve for x
    x = 2,092,757,707.80/52,667.11
  6. Step 6: Final answer
    x = 39,735.57

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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.