Home / 82,063.56-113,138.01-61,558.44

Finding the Fourth Proportional to 82,063.56, 113,138.01 and 61,558.44

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Solution

The fourth proportional to 82,063.56, 113,138.01 and 61,558.44 is: 84,868.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,063.56 : 113,138.01 = 61,558.44 : x
  2. Step 2: Convert to fraction form
    82,063.56/113,138.01 = 61,558.44/x
  3. Step 3: Cross multiply
    82,063.56x = 113,138.01 × 61,558.44
  4. Step 4: Simplify right side
    82,063.56x = 6,964,599,400.30
  5. Step 5: Solve for x
    x = 6,964,599,400.30/82,063.56
  6. Step 6: Final answer
    x = 84,868.36

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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.