Home / 78,375.04-117,568.56-22,214.20

Finding the Fourth Proportional to 78,375.04, 117,568.56 and 22,214.20

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Solution

The fourth proportional to 78,375.04, 117,568.56 and 22,214.20 is: 33,323.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,375.04 : 117,568.56 = 22,214.20 : x
  2. Step 2: Convert to fraction form
    78,375.04/117,568.56 = 22,214.20/x
  3. Step 3: Cross multiply
    78,375.04x = 117,568.56 × 22,214.20
  4. Step 4: Simplify right side
    78,375.04x = 2,611,691,505.55
  5. Step 5: Solve for x
    x = 2,611,691,505.55/78,375.04
  6. Step 6: Final answer
    x = 33,323.00

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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.