Home / 89,556.59-123,588.10-49,269.49

Finding the Fourth Proportional to 89,556.59, 123,588.10 and 49,269.49

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Solution

The fourth proportional to 89,556.59, 123,588.10 and 49,269.49 is: 67,991.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,556.59 : 123,588.10 = 49,269.49 : x
  2. Step 2: Convert to fraction form
    89,556.59/123,588.10 = 49,269.49/x
  3. Step 3: Cross multiply
    89,556.59x = 123,588.10 × 49,269.49
  4. Step 4: Simplify right side
    89,556.59x = 6,089,122,657.07
  5. Step 5: Solve for x
    x = 6,089,122,657.07/89,556.59
  6. Step 6: Final answer
    x = 67,991.90

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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.