Home / 89,216.63-123,120.68-48,928.04

Finding the Fourth Proportional to 89,216.63, 123,120.68 and 48,928.04

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Solution

The fourth proportional to 89,216.63, 123,120.68 and 48,928.04 is: 67,521.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,216.63 : 123,120.68 = 48,928.04 : x
  2. Step 2: Convert to fraction form
    89,216.63/123,120.68 = 48,928.04/x
  3. Step 3: Cross multiply
    89,216.63x = 123,120.68 × 48,928.04
  4. Step 4: Simplify right side
    89,216.63x = 6,024,052,695.62
  5. Step 5: Solve for x
    x = 6,024,052,695.62/89,216.63
  6. Step 6: Final answer
    x = 67,521.64

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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.