Home / 115,503.12-173,255.17-35,540.58

Finding the Fourth Proportional to 115,503.12, 173,255.17 and 35,540.58

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Solution

The fourth proportional to 115,503.12, 173,255.17 and 35,540.58 is: 53,311.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,503.12 : 173,255.17 = 35,540.58 : x
  2. Step 2: Convert to fraction form
    115,503.12/173,255.17 = 35,540.58/x
  3. Step 3: Cross multiply
    115,503.12x = 173,255.17 × 35,540.58
  4. Step 4: Simplify right side
    115,503.12x = 6,157,589,140.95
  5. Step 5: Solve for x
    x = 6,157,589,140.95/115,503.12
  6. Step 6: Final answer
    x = 53,311.02

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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.