Home / 89,619.08-123,674.32-49,332.83

Finding the Fourth Proportional to 89,619.08, 123,674.32 and 49,332.83

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Solution

The fourth proportional to 89,619.08, 123,674.32 and 49,332.83 is: 68,079.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,619.08 : 123,674.32 = 49,332.83 : x
  2. Step 2: Convert to fraction form
    89,619.08/123,674.32 = 49,332.83/x
  3. Step 3: Cross multiply
    89,619.08x = 123,674.32 × 49,332.83
  4. Step 4: Simplify right side
    89,619.08x = 6,101,204,725.89
  5. Step 5: Solve for x
    x = 6,101,204,725.89/89,619.08
  6. Step 6: Final answer
    x = 68,079.30

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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.