Home / 106,243.70-159,371.31-39,701.30

Finding the Fourth Proportional to 106,243.70, 159,371.31 and 39,701.30

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Solution

The fourth proportional to 106,243.70, 159,371.31 and 39,701.30 is: 59,554.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,243.70 : 159,371.31 = 39,701.30 : x
  2. Step 2: Convert to fraction form
    106,243.70/159,371.31 = 39,701.30/x
  3. Step 3: Cross multiply
    106,243.70x = 159,371.31 × 39,701.30
  4. Step 4: Simplify right side
    106,243.70x = 6,327,248,189.70
  5. Step 5: Solve for x
    x = 6,327,248,189.70/106,243.70
  6. Step 6: Final answer
    x = 59,554.10

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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.