Home / 74,526.62-111,788.94-18,367.40

Finding the Fourth Proportional to 74,526.62, 111,788.94 and 18,367.40

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Solution

The fourth proportional to 74,526.62, 111,788.94 and 18,367.40 is: 27,550.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,526.62 : 111,788.94 = 18,367.40 : x
  2. Step 2: Convert to fraction form
    74,526.62/111,788.94 = 18,367.40/x
  3. Step 3: Cross multiply
    74,526.62x = 111,788.94 × 18,367.40
  4. Step 4: Simplify right side
    74,526.62x = 2,053,272,176.56
  5. Step 5: Solve for x
    x = 2,053,272,176.56/74,526.62
  6. Step 6: Final answer
    x = 27,550.86

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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.