Home / 89,068.88-122,910.36-48,781.77

Finding the Fourth Proportional to 89,068.88, 122,910.36 and 48,781.77

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Solution

The fourth proportional to 89,068.88, 122,910.36 and 48,781.77 is: 67,316.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,068.88 : 122,910.36 = 48,781.77 : x
  2. Step 2: Convert to fraction form
    89,068.88/122,910.36 = 48,781.77/x
  3. Step 3: Cross multiply
    89,068.88x = 122,910.36 × 48,781.77
  4. Step 4: Simplify right side
    89,068.88x = 5,995,784,912.14
  5. Step 5: Solve for x
    x = 5,995,784,912.14/89,068.88
  6. Step 6: Final answer
    x = 67,316.28

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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.