Home / 123,743.88-170,769.84-67,155.24

Finding the Fourth Proportional to 123,743.88, 170,769.84 and 67,155.24

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Solution

The fourth proportional to 123,743.88, 170,769.84 and 67,155.24 is: 92,676.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,743.88 : 170,769.84 = 67,155.24 : x
  2. Step 2: Convert to fraction form
    123,743.88/170,769.84 = 67,155.24/x
  3. Step 3: Cross multiply
    123,743.88x = 170,769.84 × 67,155.24
  4. Step 4: Simplify right side
    123,743.88x = 11,468,089,589.96
  5. Step 5: Solve for x
    x = 11,468,089,589.96/123,743.88
  6. Step 6: Final answer
    x = 92,676.01

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.