Home / 89,513.25-123,531.39-49,230.06

Finding the Fourth Proportional to 89,513.25, 123,531.39 and 49,230.06

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Solution

The fourth proportional to 89,513.25, 123,531.39 and 49,230.06 is: 67,939.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,513.25 : 123,531.39 = 49,230.06 : x
  2. Step 2: Convert to fraction form
    89,513.25/123,531.39 = 49,230.06/x
  3. Step 3: Cross multiply
    89,513.25x = 123,531.39 × 49,230.06
  4. Step 4: Simplify right side
    89,513.25x = 6,081,457,741.58
  5. Step 5: Solve for x
    x = 6,081,457,741.58/89,513.25
  6. Step 6: Final answer
    x = 67,939.19

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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.