Home / 75,211.32-103,796.46-41,679.48

Finding the Fourth Proportional to 75,211.32, 103,796.46 and 41,679.48

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Solution

The fourth proportional to 75,211.32, 103,796.46 and 41,679.48 is: 57,520.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,211.32 : 103,796.46 = 41,679.48 : x
  2. Step 2: Convert to fraction form
    75,211.32/103,796.46 = 41,679.48/x
  3. Step 3: Cross multiply
    75,211.32x = 103,796.46 × 41,679.48
  4. Step 4: Simplify right side
    75,211.32x = 4,326,182,478.64
  5. Step 5: Solve for x
    x = 4,326,182,478.64/75,211.32
  6. Step 6: Final answer
    x = 57,520.36

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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.