Home / 89,235.92-123,146.52-48,949.76

Finding the Fourth Proportional to 89,235.92, 123,146.52 and 48,949.76

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Solution

The fourth proportional to 89,235.92, 123,146.52 and 48,949.76 is: 67,551.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,235.92 : 123,146.52 = 48,949.76 : x
  2. Step 2: Convert to fraction form
    89,235.92/123,146.52 = 48,949.76/x
  3. Step 3: Cross multiply
    89,235.92x = 123,146.52 × 48,949.76
  4. Step 4: Simplify right side
    89,235.92x = 6,027,992,598.84
  5. Step 5: Solve for x
    x = 6,027,992,598.84/89,235.92
  6. Step 6: Final answer
    x = 67,551.19

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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.