Home / 87,749.50-121,093.96-47,463.37

Finding the Fourth Proportional to 87,749.50, 121,093.96 and 47,463.37

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Solution

The fourth proportional to 87,749.50, 121,093.96 and 47,463.37 is: 65,499.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,749.50 : 121,093.96 = 47,463.37 : x
  2. Step 2: Convert to fraction form
    87,749.50/121,093.96 = 47,463.37/x
  3. Step 3: Cross multiply
    87,749.50x = 121,093.96 × 47,463.37
  4. Step 4: Simplify right side
    87,749.50x = 5,747,527,229.34
  5. Step 5: Solve for x
    x = 5,747,527,229.34/87,749.50
  6. Step 6: Final answer
    x = 65,499.26

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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.