Home / 89,559.78-123,592.49-49,272.68

Finding the Fourth Proportional to 89,559.78, 123,592.49 and 49,272.68

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Solution

The fourth proportional to 89,559.78, 123,592.49 and 49,272.68 is: 67,996.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,559.78 : 123,592.49 = 49,272.68 : x
  2. Step 2: Convert to fraction form
    89,559.78/123,592.49 = 49,272.68/x
  3. Step 3: Cross multiply
    89,559.78x = 123,592.49 × 49,272.68
  4. Step 4: Simplify right side
    89,559.78x = 6,089,733,210.17
  5. Step 5: Solve for x
    x = 6,089,733,210.17/89,559.78
  6. Step 6: Final answer
    x = 67,996.29

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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.