Home / 85,083.98-127,645-25,924.28

Finding the Fourth Proportional to 85,083.98, 127,645 and 25,924.28

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Solution

The fourth proportional to 85,083.98, 127,645 and 25,924.28 is: 38,892.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,083.98 : 127,645 = 25,924.28 : x
  2. Step 2: Convert to fraction form
    85,083.98/127,645 = 25,924.28/x
  3. Step 3: Cross multiply
    85,083.98x = 127,645 × 25,924.28
  4. Step 4: Simplify right side
    85,083.98x = 3,309,104,720.60
  5. Step 5: Solve for x
    x = 3,309,104,720.60/85,083.98
  6. Step 6: Final answer
    x = 38,892.22

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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.