Home / 87,614.56-120,907.99-47,328.31

Finding the Fourth Proportional to 87,614.56, 120,907.99 and 47,328.31

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Solution

The fourth proportional to 87,614.56, 120,907.99 and 47,328.31 is: 65,313.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,614.56 : 120,907.99 = 47,328.31 : x
  2. Step 2: Convert to fraction form
    87,614.56/120,907.99 = 47,328.31/x
  3. Step 3: Cross multiply
    87,614.56x = 120,907.99 × 47,328.31
  4. Step 4: Simplify right side
    87,614.56x = 5,722,370,832.20
  5. Step 5: Solve for x
    x = 5,722,370,832.20/87,614.56
  6. Step 6: Final answer
    x = 65,313.01

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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.