Home / 89,812.06-123,938.31-49,525.36

Finding the Fourth Proportional to 89,812.06, 123,938.31 and 49,525.36

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Solution

The fourth proportional to 89,812.06, 123,938.31 and 49,525.36 is: 68,343.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,812.06 : 123,938.31 = 49,525.36 : x
  2. Step 2: Convert to fraction form
    89,812.06/123,938.31 = 49,525.36/x
  3. Step 3: Cross multiply
    89,812.06x = 123,938.31 × 49,525.36
  4. Step 4: Simplify right side
    89,812.06x = 6,138,089,420.54
  5. Step 5: Solve for x
    x = 6,138,089,420.54/89,812.06
  6. Step 6: Final answer
    x = 68,343.71

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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.