Home / 72,211.35-108,226.65-34,761.39

Finding the Fourth Proportional to 72,211.35, 108,226.65 and 34,761.39

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Solution

The fourth proportional to 72,211.35, 108,226.65 and 34,761.39 is: 52,098.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,211.35 : 108,226.65 = 34,761.39 : x
  2. Step 2: Convert to fraction form
    72,211.35/108,226.65 = 34,761.39/x
  3. Step 3: Cross multiply
    72,211.35x = 108,226.65 × 34,761.39
  4. Step 4: Simplify right side
    72,211.35x = 3,762,108,789.04
  5. Step 5: Solve for x
    x = 3,762,108,789.04/72,211.35
  6. Step 6: Final answer
    x = 52,098.58

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.