Home / 78,294.44-117,325.02-43,244.12

Finding the Fourth Proportional to 78,294.44, 117,325.02 and 43,244.12

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Solution

The fourth proportional to 78,294.44, 117,325.02 and 43,244.12 is: 64,801.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,294.44 : 117,325.02 = 43,244.12 : x
  2. Step 2: Convert to fraction form
    78,294.44/117,325.02 = 43,244.12/x
  3. Step 3: Cross multiply
    78,294.44x = 117,325.02 × 43,244.12
  4. Step 4: Simplify right side
    78,294.44x = 5,073,617,243.88
  5. Step 5: Solve for x
    x = 5,073,617,243.88/78,294.44
  6. Step 6: Final answer
    x = 64,801.76

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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.