Home / 113,751.03-156,974.05-62,761.84

Finding the Fourth Proportional to 113,751.03, 156,974.05 and 62,761.84

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Solution

The fourth proportional to 113,751.03, 156,974.05 and 62,761.84 is: 86,610.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,751.03 : 156,974.05 = 62,761.84 : x
  2. Step 2: Convert to fraction form
    113,751.03/156,974.05 = 62,761.84/x
  3. Step 3: Cross multiply
    113,751.03x = 156,974.05 × 62,761.84
  4. Step 4: Simplify right side
    113,751.03x = 9,851,979,896.27
  5. Step 5: Solve for x
    x = 9,851,979,896.27/113,751.03
  6. Step 6: Final answer
    x = 86,610.03

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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.