Home / 89,039.21-122,874.08-48,752.96

Finding the Fourth Proportional to 89,039.21, 122,874.08 and 48,752.96

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Solution

The fourth proportional to 89,039.21, 122,874.08 and 48,752.96 is: 67,279.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,039.21 : 122,874.08 = 48,752.96 : x
  2. Step 2: Convert to fraction form
    89,039.21/122,874.08 = 48,752.96/x
  3. Step 3: Cross multiply
    89,039.21x = 122,874.08 × 48,752.96
  4. Step 4: Simplify right side
    89,039.21x = 5,990,474,249.14
  5. Step 5: Solve for x
    x = 5,990,474,249.14/89,039.21
  6. Step 6: Final answer
    x = 67,279.06

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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.