Home / 89,982.08-124,174.64-49,698.48

Finding the Fourth Proportional to 89,982.08, 124,174.64 and 49,698.48

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Solution

The fourth proportional to 89,982.08, 124,174.64 and 49,698.48 is: 68,583.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,982.08 : 124,174.64 = 49,698.48 : x
  2. Step 2: Convert to fraction form
    89,982.08/124,174.64 = 49,698.48/x
  3. Step 3: Cross multiply
    89,982.08x = 124,174.64 × 49,698.48
  4. Step 4: Simplify right side
    89,982.08x = 6,171,290,862.55
  5. Step 5: Solve for x
    x = 6,171,290,862.55/89,982.08
  6. Step 6: Final answer
    x = 68,583.55

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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.