Home / 54,830.07-75,665.61-29,679.57

Finding the Fourth Proportional to 54,830.07, 75,665.61 and 29,679.57

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Solution

The fourth proportional to 54,830.07, 75,665.61 and 29,679.57 is: 40,957.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,830.07 : 75,665.61 = 29,679.57 : x
  2. Step 2: Convert to fraction form
    54,830.07/75,665.61 = 29,679.57/x
  3. Step 3: Cross multiply
    54,830.07x = 75,665.61 × 29,679.57
  4. Step 4: Simplify right side
    54,830.07x = 2,245,722,768.59
  5. Step 5: Solve for x
    x = 2,245,722,768.59/54,830.07
  6. Step 6: Final answer
    x = 40,957.87

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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.