Home / 113,766.30-156,997.38-62,779.02

Finding the Fourth Proportional to 113,766.30, 156,997.38 and 62,779.02

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Solution

The fourth proportional to 113,766.30, 156,997.38 and 62,779.02 is: 86,634.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,766.30 : 156,997.38 = 62,779.02 : x
  2. Step 2: Convert to fraction form
    113,766.30/156,997.38 = 62,779.02/x
  3. Step 3: Cross multiply
    113,766.30x = 156,997.38 × 62,779.02
  4. Step 4: Simplify right side
    113,766.30x = 9,856,141,658.97
  5. Step 5: Solve for x
    x = 9,856,141,658.97/113,766.30
  6. Step 6: Final answer
    x = 86,634.98

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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.