Home / 87,614.98-120,908.54-47,328.73

Finding the Fourth Proportional to 87,614.98, 120,908.54 and 47,328.73

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Solution

The fourth proportional to 87,614.98, 120,908.54 and 47,328.73 is: 65,313.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,614.98 : 120,908.54 = 47,328.73 : x
  2. Step 2: Convert to fraction form
    87,614.98/120,908.54 = 47,328.73/x
  3. Step 3: Cross multiply
    87,614.98x = 120,908.54 × 47,328.73
  4. Step 4: Simplify right side
    87,614.98x = 5,722,447,158.13
  5. Step 5: Solve for x
    x = 5,722,447,158.13/87,614.98
  6. Step 6: Final answer
    x = 65,313.57

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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.