Home / 51,241.42-76,352.71-45,651.81

Finding the Fourth Proportional to 51,241.42, 76,352.71 and 45,651.81

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Solution

The fourth proportional to 51,241.42, 76,352.71 and 45,651.81 is: 68,023.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,241.42 : 76,352.71 = 45,651.81 : x
  2. Step 2: Convert to fraction form
    51,241.42/76,352.71 = 45,651.81/x
  3. Step 3: Cross multiply
    51,241.42x = 76,352.71 × 45,651.81
  4. Step 4: Simplify right side
    51,241.42x = 3,485,638,799.88
  5. Step 5: Solve for x
    x = 3,485,638,799.88/51,241.42
  6. Step 6: Final answer
    x = 68,023.86

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.