Home / 89,214.11-123,115.64-48,928.17

Finding the Fourth Proportional to 89,214.11, 123,115.64 and 48,928.17

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Solution

The fourth proportional to 89,214.11, 123,115.64 and 48,928.17 is: 67,520.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,214.11 : 123,115.64 = 48,928.17 : x
  2. Step 2: Convert to fraction form
    89,214.11/123,115.64 = 48,928.17/x
  3. Step 3: Cross multiply
    89,214.11x = 123,115.64 × 48,928.17
  4. Step 4: Simplify right side
    89,214.11x = 6,023,822,718.94
  5. Step 5: Solve for x
    x = 6,023,822,718.94/89,214.11
  6. Step 6: Final answer
    x = 67,520.97

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1.5x scale

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.