Home / 89,082.32-122,928.80-48,788.44

Finding the Fourth Proportional to 89,082.32, 122,928.80 and 48,788.44

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Solution

The fourth proportional to 89,082.32, 122,928.80 and 48,788.44 is: 67,325.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,082.32 : 122,928.80 = 48,788.44 : x
  2. Step 2: Convert to fraction form
    89,082.32/122,928.80 = 48,788.44/x
  3. Step 3: Cross multiply
    89,082.32x = 122,928.80 × 48,788.44
  4. Step 4: Simplify right side
    89,082.32x = 5,997,504,383.07
  5. Step 5: Solve for x
    x = 5,997,504,383.07/89,082.32
  6. Step 6: Final answer
    x = 67,325.42

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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.