Home / 113,767.70-156,992.34-62,780.83

Finding the Fourth Proportional to 113,767.70, 156,992.34 and 62,780.83

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Solution

The fourth proportional to 113,767.70, 156,992.34 and 62,780.83 is: 86,633.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,767.70 : 156,992.34 = 62,780.83 : x
  2. Step 2: Convert to fraction form
    113,767.70/156,992.34 = 62,780.83/x
  3. Step 3: Cross multiply
    113,767.70x = 156,992.34 × 62,780.83
  4. Step 4: Simplify right side
    113,767.70x = 9,856,109,251.79
  5. Step 5: Solve for x
    x = 9,856,109,251.79/113,767.70
  6. Step 6: Final answer
    x = 86,633.64

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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.