Home / 113,766.26-156,997.32-62,778.98

Finding the Fourth Proportional to 113,766.26, 156,997.32 and 62,778.98

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Solution

The fourth proportional to 113,766.26, 156,997.32 and 62,778.98 is: 86,634.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,766.26 : 156,997.32 = 62,778.98 : x
  2. Step 2: Convert to fraction form
    113,766.26/156,997.32 = 62,778.98/x
  3. Step 3: Cross multiply
    113,766.26x = 156,997.32 × 62,778.98
  4. Step 4: Simplify right side
    113,766.26x = 9,856,130,827.35
  5. Step 5: Solve for x
    x = 9,856,130,827.35/113,766.26
  6. Step 6: Final answer
    x = 86,634.92

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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.