Home / 75,440.45-104,108.52-41,449.64

Finding the Fourth Proportional to 75,440.45, 104,108.52 and 41,449.64

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Solution

The fourth proportional to 75,440.45, 104,108.52 and 41,449.64 is: 57,200.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,440.45 : 104,108.52 = 41,449.64 : x
  2. Step 2: Convert to fraction form
    75,440.45/104,108.52 = 41,449.64/x
  3. Step 3: Cross multiply
    75,440.45x = 104,108.52 × 41,449.64
  4. Step 4: Simplify right side
    75,440.45x = 4,315,260,154.39
  5. Step 5: Solve for x
    x = 4,315,260,154.39/75,440.45
  6. Step 6: Final answer
    x = 57,200.88

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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.