Home / 74,556.45-102,871.01-54,424.31

Finding the Fourth Proportional to 74,556.45, 102,871.01 and 54,424.31

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Solution

The fourth proportional to 74,556.45, 102,871.01 and 54,424.31 is: 75,093.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,556.45 : 102,871.01 = 54,424.31 : x
  2. Step 2: Convert to fraction form
    74,556.45/102,871.01 = 54,424.31/x
  3. Step 3: Cross multiply
    74,556.45x = 102,871.01 × 54,424.31
  4. Step 4: Simplify right side
    74,556.45x = 5,598,683,359.96
  5. Step 5: Solve for x
    x = 5,598,683,359.96/74,556.45
  6. Step 6: Final answer
    x = 75,093.21

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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.