Home / 106,871.10-147,481.47-59,123.43

Finding the Fourth Proportional to 106,871.10, 147,481.47 and 59,123.43

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Solution

The fourth proportional to 106,871.10, 147,481.47 and 59,123.43 is: 81,589.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,871.10 : 147,481.47 = 59,123.43 : x
  2. Step 2: Convert to fraction form
    106,871.10/147,481.47 = 59,123.43/x
  3. Step 3: Cross multiply
    106,871.10x = 147,481.47 × 59,123.43
  4. Step 4: Simplify right side
    106,871.10x = 8,719,610,367.84
  5. Step 5: Solve for x
    x = 8,719,610,367.84/106,871.10
  6. Step 6: Final answer
    x = 81,589.97

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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.