Home / 45,899.30-68,761.20-31,035.26

Finding the Fourth Proportional to 45,899.30, 68,761.20 and 31,035.26

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Solution

The fourth proportional to 45,899.30, 68,761.20 and 31,035.26 is: 46,493.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,899.30 : 68,761.20 = 31,035.26 : x
  2. Step 2: Convert to fraction form
    45,899.30/68,761.20 = 31,035.26/x
  3. Step 3: Cross multiply
    45,899.30x = 68,761.20 × 31,035.26
  4. Step 4: Simplify right side
    45,899.30x = 2,134,021,719.91
  5. Step 5: Solve for x
    x = 2,134,021,719.91/45,899.30
  6. Step 6: Final answer
    x = 46,493.56

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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.