Home / 75,879.29-113,537.03-47,667.26

Finding the Fourth Proportional to 75,879.29, 113,537.03 and 47,667.26

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Solution

The fourth proportional to 75,879.29, 113,537.03 and 47,667.26 is: 71,323.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,879.29 : 113,537.03 = 47,667.26 : x
  2. Step 2: Convert to fraction form
    75,879.29/113,537.03 = 47,667.26/x
  3. Step 3: Cross multiply
    75,879.29x = 113,537.03 × 47,667.26
  4. Step 4: Simplify right side
    75,879.29x = 5,411,998,322.62
  5. Step 5: Solve for x
    x = 5,411,998,322.62/75,879.29
  6. Step 6: Final answer
    x = 71,323.79

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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.