Home / 115,638.04-173,468.66-31,399.48

Finding the Fourth Proportional to 115,638.04, 173,468.66 and 31,399.48

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Solution

The fourth proportional to 115,638.04, 173,468.66 and 31,399.48 is: 47,102.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,638.04 : 173,468.66 = 31,399.48 : x
  2. Step 2: Convert to fraction form
    115,638.04/173,468.66 = 31,399.48/x
  3. Step 3: Cross multiply
    115,638.04x = 173,468.66 × 31,399.48
  4. Step 4: Simplify right side
    115,638.04x = 5,446,825,720.30
  5. Step 5: Solve for x
    x = 5,446,825,720.30/115,638.04
  6. Step 6: Final answer
    x = 47,102.37

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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.