Home / 89,103.64-122,962.98-48,819.96

Finding the Fourth Proportional to 89,103.64, 122,962.98 and 48,819.96

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Solution

The fourth proportional to 89,103.64, 122,962.98 and 48,819.96 is: 67,371.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,103.64 : 122,962.98 = 48,819.96 : x
  2. Step 2: Convert to fraction form
    89,103.64/122,962.98 = 48,819.96/x
  3. Step 3: Cross multiply
    89,103.64x = 122,962.98 × 48,819.96
  4. Step 4: Simplify right side
    89,103.64x = 6,003,047,765.08
  5. Step 5: Solve for x
    x = 6,003,047,765.08/89,103.64
  6. Step 6: Final answer
    x = 67,371.52

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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.