Home / 78,544.44-117,835-22,385.24

Finding the Fourth Proportional to 78,544.44, 117,835 and 22,385.24

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Solution

The fourth proportional to 78,544.44, 117,835 and 22,385.24 is: 33,583.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,544.44 : 117,835 = 22,385.24 : x
  2. Step 2: Convert to fraction form
    78,544.44/117,835 = 22,385.24/x
  3. Step 3: Cross multiply
    78,544.44x = 117,835 × 22,385.24
  4. Step 4: Simplify right side
    78,544.44x = 2,637,764,755.40
  5. Step 5: Solve for x
    x = 2,637,764,755.40/78,544.44
  6. Step 6: Final answer
    x = 33,583.09

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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.