Home / 49,660.77-68,484.87-31,724.64

Finding the Fourth Proportional to 49,660.77, 68,484.87 and 31,724.64

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Solution

The fourth proportional to 49,660.77, 68,484.87 and 31,724.64 is: 43,749.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,660.77 : 68,484.87 = 31,724.64 : x
  2. Step 2: Convert to fraction form
    49,660.77/68,484.87 = 31,724.64/x
  3. Step 3: Cross multiply
    49,660.77x = 68,484.87 × 31,724.64
  4. Step 4: Simplify right side
    49,660.77x = 2,172,657,846.20
  5. Step 5: Solve for x
    x = 2,172,657,846.20/49,660.77
  6. Step 6: Final answer
    x = 43,749.98

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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.