Home / 69,331.78-104,010.63-27,782.02

Finding the Fourth Proportional to 69,331.78, 104,010.63 and 27,782.02

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Solution

The fourth proportional to 69,331.78, 104,010.63 and 27,782.02 is: 41,678.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,331.78 : 104,010.63 = 27,782.02 : x
  2. Step 2: Convert to fraction form
    69,331.78/104,010.63 = 27,782.02/x
  3. Step 3: Cross multiply
    69,331.78x = 104,010.63 × 27,782.02
  4. Step 4: Simplify right side
    69,331.78x = 2,889,625,402.87
  5. Step 5: Solve for x
    x = 2,889,625,402.87/69,331.78
  6. Step 6: Final answer
    x = 41,678.22

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.