Home / 54,985.22-75,879.56-29,834.72

Finding the Fourth Proportional to 54,985.22, 75,879.56 and 29,834.72

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Solution

The fourth proportional to 54,985.22, 75,879.56 and 29,834.72 is: 41,171.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,985.22 : 75,879.56 = 29,834.72 : x
  2. Step 2: Convert to fraction form
    54,985.22/75,879.56 = 29,834.72/x
  3. Step 3: Cross multiply
    54,985.22x = 75,879.56 × 29,834.72
  4. Step 4: Simplify right side
    54,985.22x = 2,263,845,466.85
  5. Step 5: Solve for x
    x = 2,263,845,466.85/54,985.22
  6. Step 6: Final answer
    x = 41,171.89

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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.