Home / 75,456.07-104,128.88-41,464.96

Finding the Fourth Proportional to 75,456.07, 104,128.88 and 41,464.96

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Solution

The fourth proportional to 75,456.07, 104,128.88 and 41,464.96 is: 57,221.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,456.07 : 104,128.88 = 41,464.96 : x
  2. Step 2: Convert to fraction form
    75,456.07/104,128.88 = 41,464.96/x
  3. Step 3: Cross multiply
    75,456.07x = 104,128.88 × 41,464.96
  4. Step 4: Simplify right side
    75,456.07x = 4,317,699,376.40
  5. Step 5: Solve for x
    x = 4,317,699,376.40/75,456.07
  6. Step 6: Final answer
    x = 57,221.37

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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.