Home / 113,676.99-156,872.19-62,694.45

Finding the Fourth Proportional to 113,676.99, 156,872.19 and 62,694.45

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Solution

The fourth proportional to 113,676.99, 156,872.19 and 62,694.45 is: 86,517.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,676.99 : 156,872.19 = 62,694.45 : x
  2. Step 2: Convert to fraction form
    113,676.99/156,872.19 = 62,694.45/x
  3. Step 3: Cross multiply
    113,676.99x = 156,872.19 × 62,694.45
  4. Step 4: Simplify right side
    113,676.99x = 9,835,015,672.35
  5. Step 5: Solve for x
    x = 9,835,015,672.35/113,676.99
  6. Step 6: Final answer
    x = 86,517.21

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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.