Home / 87,748.71-131,350.08-47,667.48

Finding the Fourth Proportional to 87,748.71, 131,350.08 and 47,667.48

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Solution

The fourth proportional to 87,748.71, 131,350.08 and 47,667.48 is: 71,352.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,748.71 : 131,350.08 = 47,667.48 : x
  2. Step 2: Convert to fraction form
    87,748.71/131,350.08 = 47,667.48/x
  3. Step 3: Cross multiply
    87,748.71x = 131,350.08 × 47,667.48
  4. Step 4: Simplify right side
    87,748.71x = 6,261,127,311.40
  5. Step 5: Solve for x
    x = 6,261,127,311.40/87,748.71
  6. Step 6: Final answer
    x = 71,352.93

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.