Home / 52,657.57-78,996.94-19,377.81

Finding the Fourth Proportional to 52,657.57, 78,996.94 and 19,377.81

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Solution

The fourth proportional to 52,657.57, 78,996.94 and 19,377.81 is: 29,070.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,657.57 : 78,996.94 = 19,377.81 : x
  2. Step 2: Convert to fraction form
    52,657.57/78,996.94 = 19,377.81/x
  3. Step 3: Cross multiply
    52,657.57x = 78,996.94 × 19,377.81
  4. Step 4: Simplify right side
    52,657.57x = 1,530,787,693.90
  5. Step 5: Solve for x
    x = 1,530,787,693.90/52,657.57
  6. Step 6: Final answer
    x = 29,070.61

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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.