Home / 76,331.21-114,507.20-26,397.90

Finding the Fourth Proportional to 76,331.21, 114,507.20 and 26,397.90

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Solution

The fourth proportional to 76,331.21, 114,507.20 and 26,397.90 is: 39,600.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,331.21 : 114,507.20 = 26,397.90 : x
  2. Step 2: Convert to fraction form
    76,331.21/114,507.20 = 26,397.90/x
  3. Step 3: Cross multiply
    76,331.21x = 114,507.20 × 26,397.90
  4. Step 4: Simplify right side
    76,331.21x = 3,022,749,680.87
  5. Step 5: Solve for x
    x = 3,022,749,680.87/76,331.21
  6. Step 6: Final answer
    x = 39,600.44

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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.