Home / 89,918.80-124,087.25-49,632.55

Finding the Fourth Proportional to 89,918.80, 124,087.25 and 49,632.55

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Solution

The fourth proportional to 89,918.80, 124,087.25 and 49,632.55 is: 68,492.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,918.80 : 124,087.25 = 49,632.55 : x
  2. Step 2: Convert to fraction form
    89,918.80/124,087.25 = 49,632.55/x
  3. Step 3: Cross multiply
    89,918.80x = 124,087.25 × 49,632.55
  4. Step 4: Simplify right side
    89,918.80x = 6,158,766,453.85
  5. Step 5: Solve for x
    x = 6,158,766,453.85/89,918.80
  6. Step 6: Final answer
    x = 68,492.54

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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.