Home / 74,106.89-111,161.97-26,725.80

Finding the Fourth Proportional to 74,106.89, 111,161.97 and 26,725.80

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Solution

The fourth proportional to 74,106.89, 111,161.97 and 26,725.80 is: 40,089.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,106.89 : 111,161.97 = 26,725.80 : x
  2. Step 2: Convert to fraction form
    74,106.89/111,161.97 = 26,725.80/x
  3. Step 3: Cross multiply
    74,106.89x = 111,161.97 × 26,725.80
  4. Step 4: Simplify right side
    74,106.89x = 2,970,892,577.83
  5. Step 5: Solve for x
    x = 2,970,892,577.83/74,106.89
  6. Step 6: Final answer
    x = 40,089.29

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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.