Home / 89,743.90-123,849.17-49,460.25

Finding the Fourth Proportional to 89,743.90, 123,849.17 and 49,460.25

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Solution

The fourth proportional to 89,743.90, 123,849.17 and 49,460.25 is: 68,256.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,743.90 : 123,849.17 = 49,460.25 : x
  2. Step 2: Convert to fraction form
    89,743.90/123,849.17 = 49,460.25/x
  3. Step 3: Cross multiply
    89,743.90x = 123,849.17 × 49,460.25
  4. Step 4: Simplify right side
    89,743.90x = 6,125,610,786.84
  5. Step 5: Solve for x
    x = 6,125,610,786.84/89,743.90
  6. Step 6: Final answer
    x = 68,256.57

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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.