Home / 74,352.80-111,528.23-18,193.41

Finding the Fourth Proportional to 74,352.80, 111,528.23 and 18,193.41

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Solution

The fourth proportional to 74,352.80, 111,528.23 and 18,193.41 is: 27,289.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,352.80 : 111,528.23 = 18,193.41 : x
  2. Step 2: Convert to fraction form
    74,352.80/111,528.23 = 18,193.41/x
  3. Step 3: Cross multiply
    74,352.80x = 111,528.23 × 18,193.41
  4. Step 4: Simplify right side
    74,352.80x = 2,029,078,724.00
  5. Step 5: Solve for x
    x = 2,029,078,724.00/74,352.80
  6. Step 6: Final answer
    x = 27,289.88

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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.