Home / 54,830.36-75,666-29,679.86

Finding the Fourth Proportional to 54,830.36, 75,666 and 29,679.86

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Solution

The fourth proportional to 54,830.36, 75,666 and 29,679.86 is: 40,958.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,830.36 : 75,666 = 29,679.86 : x
  2. Step 2: Convert to fraction form
    54,830.36/75,666 = 29,679.86/x
  3. Step 3: Cross multiply
    54,830.36x = 75,666 × 29,679.86
  4. Step 4: Simplify right side
    54,830.36x = 2,245,755,908.43
  5. Step 5: Solve for x
    x = 2,245,755,908.43/54,830.36
  6. Step 6: Final answer
    x = 40,958.26

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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.