Home / 92,821.36-128,093.58-50,379.94

Finding the Fourth Proportional to 92,821.36, 128,093.58 and 50,379.94

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Solution

The fourth proportional to 92,821.36, 128,093.58 and 50,379.94 is: 69,524.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,821.36 : 128,093.58 = 50,379.94 : x
  2. Step 2: Convert to fraction form
    92,821.36/128,093.58 = 50,379.94/x
  3. Step 3: Cross multiply
    92,821.36x = 128,093.58 × 50,379.94
  4. Step 4: Simplify right side
    92,821.36x = 6,453,346,874.79
  5. Step 5: Solve for x
    x = 6,453,346,874.79/92,821.36
  6. Step 6: Final answer
    x = 69,524.37

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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.