Home / 89,559.87-123,592.63-49,272.77

Finding the Fourth Proportional to 89,559.87, 123,592.63 and 49,272.77

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Solution

The fourth proportional to 89,559.87, 123,592.63 and 49,272.77 is: 67,996.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,559.87 : 123,592.63 = 49,272.77 : x
  2. Step 2: Convert to fraction form
    89,559.87/123,592.63 = 49,272.77/x
  3. Step 3: Cross multiply
    89,559.87x = 123,592.63 × 49,272.77
  4. Step 4: Simplify right side
    89,559.87x = 6,089,751,231.69
  5. Step 5: Solve for x
    x = 6,089,751,231.69/89,559.87
  6. Step 6: Final answer
    x = 67,996.43

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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.