Home / 78,427.73-117,646.07-22,263.44

Finding the Fourth Proportional to 78,427.73, 117,646.07 and 22,263.44

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Solution

The fourth proportional to 78,427.73, 117,646.07 and 22,263.44 is: 33,396.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,427.73 : 117,646.07 = 22,263.44 : x
  2. Step 2: Convert to fraction form
    78,427.73/117,646.07 = 22,263.44/x
  3. Step 3: Cross multiply
    78,427.73x = 117,646.07 × 22,263.44
  4. Step 4: Simplify right side
    78,427.73x = 2,619,206,308.12
  5. Step 5: Solve for x
    x = 2,619,206,308.12/78,427.73
  6. Step 6: Final answer
    x = 33,396.43

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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.