Home / 78,232.69-117,355.94-22,073.29

Finding the Fourth Proportional to 78,232.69, 117,355.94 and 22,073.29

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Solution

The fourth proportional to 78,232.69, 117,355.94 and 22,073.29 is: 33,111.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,232.69 : 117,355.94 = 22,073.29 : x
  2. Step 2: Convert to fraction form
    78,232.69/117,355.94 = 22,073.29/x
  3. Step 3: Cross multiply
    78,232.69x = 117,355.94 × 22,073.29
  4. Step 4: Simplify right side
    78,232.69x = 2,590,431,696.84
  5. Step 5: Solve for x
    x = 2,590,431,696.84/78,232.69
  6. Step 6: Final answer
    x = 33,111.88

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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.