Home / 106,224.31-159,363.81-31,341.43

Finding the Fourth Proportional to 106,224.31, 159,363.81 and 31,341.43

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Solution

The fourth proportional to 106,224.31, 159,363.81 and 31,341.43 is: 47,020.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,224.31 : 159,363.81 = 31,341.43 : x
  2. Step 2: Convert to fraction form
    106,224.31/159,363.81 = 31,341.43/x
  3. Step 3: Cross multiply
    106,224.31x = 159,363.81 × 31,341.43
  4. Step 4: Simplify right side
    106,224.31x = 4,994,689,538.94
  5. Step 5: Solve for x
    x = 4,994,689,538.94/106,224.31
  6. Step 6: Final answer
    x = 47,020.21

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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.