Home / 117,379.54-175,918.38-53,290.90

Finding the Fourth Proportional to 117,379.54, 175,918.38 and 53,290.90

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Solution

The fourth proportional to 117,379.54, 175,918.38 and 53,290.90 is: 79,867.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,379.54 : 175,918.38 = 53,290.90 : x
  2. Step 2: Convert to fraction form
    117,379.54/175,918.38 = 53,290.90/x
  3. Step 3: Cross multiply
    117,379.54x = 175,918.38 × 53,290.90
  4. Step 4: Simplify right side
    117,379.54x = 9,374,848,796.74
  5. Step 5: Solve for x
    x = 9,374,848,796.74/117,379.54
  6. Step 6: Final answer
    x = 79,867.83

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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.