Home / 113,584.92-156,739.86-65,834.52

Finding the Fourth Proportional to 113,584.92, 156,739.86 and 65,834.52

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Solution

The fourth proportional to 113,584.92, 156,739.86 and 65,834.52 is: 90,847.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,584.92 : 156,739.86 = 65,834.52 : x
  2. Step 2: Convert to fraction form
    113,584.92/156,739.86 = 65,834.52/x
  3. Step 3: Cross multiply
    113,584.92x = 156,739.86 × 65,834.52
  4. Step 4: Simplify right side
    113,584.92x = 10,318,893,447.97
  5. Step 5: Solve for x
    x = 10,318,893,447.97/113,584.92
  6. Step 6: Final answer
    x = 90,847.39

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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.