Home / 89,982.88-124,177.30-49,697.64

Finding the Fourth Proportional to 89,982.88, 124,177.30 and 49,697.64

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Solution

The fourth proportional to 89,982.88, 124,177.30 and 49,697.64 is: 68,583.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,982.88 : 124,177.30 = 49,697.64 : x
  2. Step 2: Convert to fraction form
    89,982.88/124,177.30 = 49,697.64/x
  3. Step 3: Cross multiply
    89,982.88x = 124,177.30 × 49,697.64
  4. Step 4: Simplify right side
    89,982.88x = 6,171,318,751.57
  5. Step 5: Solve for x
    x = 6,171,318,751.57/89,982.88
  6. Step 6: Final answer
    x = 68,583.25

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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.