Home / 89,046.88-122,884.68-48,760.64

Finding the Fourth Proportional to 89,046.88, 122,884.68 and 48,760.64

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Solution

The fourth proportional to 89,046.88, 122,884.68 and 48,760.64 is: 67,289.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,046.88 : 122,884.68 = 48,760.64 : x
  2. Step 2: Convert to fraction form
    89,046.88/122,884.68 = 48,760.64/x
  3. Step 3: Cross multiply
    89,046.88x = 122,884.68 × 48,760.64
  4. Step 4: Simplify right side
    89,046.88x = 5,991,935,643.00
  5. Step 5: Solve for x
    x = 5,991,935,643.00/89,046.88
  6. Step 6: Final answer
    x = 67,289.68

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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.