Home / 82,166.10-113,389.79-51,964.44

Finding the Fourth Proportional to 82,166.10, 113,389.79 and 51,964.44

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Solution

The fourth proportional to 82,166.10, 113,389.79 and 51,964.44 is: 71,711.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,166.10 : 113,389.79 = 51,964.44 : x
  2. Step 2: Convert to fraction form
    82,166.10/113,389.79 = 51,964.44/x
  3. Step 3: Cross multiply
    82,166.10x = 113,389.79 × 51,964.44
  4. Step 4: Simplify right side
    82,166.10x = 5,892,236,679.25
  5. Step 5: Solve for x
    x = 5,892,236,679.25/82,166.10
  6. Step 6: Final answer
    x = 71,711.29

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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.