Home / 84,652.53-126,889.26-31,310.22

Finding the Fourth Proportional to 84,652.53, 126,889.26 and 31,310.22

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Solution

The fourth proportional to 84,652.53, 126,889.26 and 31,310.22 is: 46,932.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,652.53 : 126,889.26 = 31,310.22 : x
  2. Step 2: Convert to fraction form
    84,652.53/126,889.26 = 31,310.22/x
  3. Step 3: Cross multiply
    84,652.53x = 126,889.26 × 31,310.22
  4. Step 4: Simplify right side
    84,652.53x = 3,972,930,646.24
  5. Step 5: Solve for x
    x = 3,972,930,646.24/84,652.53
  6. Step 6: Final answer
    x = 46,932.21

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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.