Home / 68,645.12-94,738.21-41,803.34

Finding the Fourth Proportional to 68,645.12, 94,738.21 and 41,803.34

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Solution

The fourth proportional to 68,645.12, 94,738.21 and 41,803.34 is: 57,693.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,645.12 : 94,738.21 = 41,803.34 : x
  2. Step 2: Convert to fraction form
    68,645.12/94,738.21 = 41,803.34/x
  3. Step 3: Cross multiply
    68,645.12x = 94,738.21 × 41,803.34
  4. Step 4: Simplify right side
    68,645.12x = 3,960,373,025.42
  5. Step 5: Solve for x
    x = 3,960,373,025.42/68,645.12
  6. Step 6: Final answer
    x = 57,693.44

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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.