Home / 78,546.48-117,833.76-25,993.68

Finding the Fourth Proportional to 78,546.48, 117,833.76 and 25,993.68

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Solution

The fourth proportional to 78,546.48, 117,833.76 and 25,993.68 is: 38,995.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,546.48 : 117,833.76 = 25,993.68 : x
  2. Step 2: Convert to fraction form
    78,546.48/117,833.76 = 25,993.68/x
  3. Step 3: Cross multiply
    78,546.48x = 117,833.76 × 25,993.68
  4. Step 4: Simplify right side
    78,546.48x = 3,062,933,050.64
  5. Step 5: Solve for x
    x = 3,062,933,050.64/78,546.48
  6. Step 6: Final answer
    x = 38,995.17

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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.