Home / 77,805.78-116,684.19-25,203.06

Finding the Fourth Proportional to 77,805.78, 116,684.19 and 25,203.06

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Solution

The fourth proportional to 77,805.78, 116,684.19 and 25,203.06 is: 37,796.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,805.78 : 116,684.19 = 25,203.06 : x
  2. Step 2: Convert to fraction form
    77,805.78/116,684.19 = 25,203.06/x
  3. Step 3: Cross multiply
    77,805.78x = 116,684.19 × 25,203.06
  4. Step 4: Simplify right side
    77,805.78x = 2,940,798,641.62
  5. Step 5: Solve for x
    x = 2,940,798,641.62/77,805.78
  6. Step 6: Final answer
    x = 37,796.66

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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.