Home / 68,982.27-103,451.53-29,528.79

Finding the Fourth Proportional to 68,982.27, 103,451.53 and 29,528.79

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Solution

The fourth proportional to 68,982.27, 103,451.53 and 29,528.79 is: 44,283.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,982.27 : 103,451.53 = 29,528.79 : x
  2. Step 2: Convert to fraction form
    68,982.27/103,451.53 = 29,528.79/x
  3. Step 3: Cross multiply
    68,982.27x = 103,451.53 × 29,528.79
  4. Step 4: Simplify right side
    68,982.27x = 3,054,798,504.55
  5. Step 5: Solve for x
    x = 3,054,798,504.55/68,982.27
  6. Step 6: Final answer
    x = 44,283.82

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.