Home / 49,964.88-68,955.46-28,455.53

Finding the Fourth Proportional to 49,964.88, 68,955.46 and 28,455.53

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Solution

The fourth proportional to 49,964.88, 68,955.46 and 28,455.53 is: 39,270.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,964.88 : 68,955.46 = 28,455.53 : x
  2. Step 2: Convert to fraction form
    49,964.88/68,955.46 = 28,455.53/x
  3. Step 3: Cross multiply
    49,964.88x = 68,955.46 × 28,455.53
  4. Step 4: Simplify right side
    49,964.88x = 1,962,164,160.69
  5. Step 5: Solve for x
    x = 1,962,164,160.69/49,964.88
  6. Step 6: Final answer
    x = 39,270.87

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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.