Home / 89,849.93-123,991.36-49,567.55

Finding the Fourth Proportional to 89,849.93, 123,991.36 and 49,567.55

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Solution

The fourth proportional to 89,849.93, 123,991.36 and 49,567.55 is: 68,402.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,849.93 : 123,991.36 = 49,567.55 : x
  2. Step 2: Convert to fraction form
    89,849.93/123,991.36 = 49,567.55/x
  3. Step 3: Cross multiply
    89,849.93x = 123,991.36 × 49,567.55
  4. Step 4: Simplify right side
    89,849.93x = 6,145,947,192.49
  5. Step 5: Solve for x
    x = 6,145,947,192.49/89,849.93
  6. Step 6: Final answer
    x = 68,402.36

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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.