Home / 89,798.28-123,922.47-49,513.49

Finding the Fourth Proportional to 89,798.28, 123,922.47 and 49,513.49

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Solution

The fourth proportional to 89,798.28, 123,922.47 and 49,513.49 is: 68,329.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,798.28 : 123,922.47 = 49,513.49 : x
  2. Step 2: Convert to fraction form
    89,798.28/123,922.47 = 49,513.49/x
  3. Step 3: Cross multiply
    89,798.28x = 123,922.47 × 49,513.49
  4. Step 4: Simplify right side
    89,798.28x = 6,135,833,979.12
  5. Step 5: Solve for x
    x = 6,135,833,979.12/89,798.28
  6. Step 6: Final answer
    x = 68,329.08

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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.