Home / 89,516.75-123,530.65-49,230.51

Finding the Fourth Proportional to 89,516.75, 123,530.65 and 49,230.51

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Solution

The fourth proportional to 89,516.75, 123,530.65 and 49,230.51 is: 67,936.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,516.75 : 123,530.65 = 49,230.51 : x
  2. Step 2: Convert to fraction form
    89,516.75/123,530.65 = 49,230.51/x
  3. Step 3: Cross multiply
    89,516.75x = 123,530.65 × 49,230.51
  4. Step 4: Simplify right side
    89,516.75x = 6,081,476,900.13
  5. Step 5: Solve for x
    x = 6,081,476,900.13/89,516.75
  6. Step 6: Final answer
    x = 67,936.75

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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.