Home / 89,208.09-123,110.71-48,923.28

Finding the Fourth Proportional to 89,208.09, 123,110.71 and 48,923.28

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Solution

The fourth proportional to 89,208.09, 123,110.71 and 48,923.28 is: 67,516.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,208.09 : 123,110.71 = 48,923.28 : x
  2. Step 2: Convert to fraction form
    89,208.09/123,110.71 = 48,923.28/x
  3. Step 3: Cross multiply
    89,208.09x = 123,110.71 × 48,923.28
  4. Step 4: Simplify right side
    89,208.09x = 6,022,979,614.02
  5. Step 5: Solve for x
    x = 6,022,979,614.02/89,208.09
  6. Step 6: Final answer
    x = 67,516.07

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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.