Home / 92,821.56-128,093.94-50,380.26

Finding the Fourth Proportional to 92,821.56, 128,093.94 and 50,380.26

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Solution

The fourth proportional to 92,821.56, 128,093.94 and 50,380.26 is: 69,524.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,821.56 : 128,093.94 = 50,380.26 : x
  2. Step 2: Convert to fraction form
    92,821.56/128,093.94 = 50,380.26/x
  3. Step 3: Cross multiply
    92,821.56x = 128,093.94 × 50,380.26
  4. Step 4: Simplify right side
    92,821.56x = 6,453,406,001.62
  5. Step 5: Solve for x
    x = 6,453,406,001.62/92,821.56
  6. Step 6: Final answer
    x = 69,524.86

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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.