Home / 92,821.03-128,093.15-50,379.58

Finding the Fourth Proportional to 92,821.03, 128,093.15 and 50,379.58

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Solution

The fourth proportional to 92,821.03, 128,093.15 and 50,379.58 is: 69,523.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,821.03 : 128,093.15 = 50,379.58 : x
  2. Step 2: Convert to fraction form
    92,821.03/128,093.15 = 50,379.58/x
  3. Step 3: Cross multiply
    92,821.03x = 128,093.15 × 50,379.58
  4. Step 4: Simplify right side
    92,821.03x = 6,453,279,097.88
  5. Step 5: Solve for x
    x = 6,453,279,097.88/92,821.03
  6. Step 6: Final answer
    x = 69,523.89

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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.