Home / 106,717.94-147,270.81-58,971.29

Finding the Fourth Proportional to 106,717.94, 147,270.81 and 58,971.29

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Solution

The fourth proportional to 106,717.94, 147,270.81 and 58,971.29 is: 81,380.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,717.94 : 147,270.81 = 58,971.29 : x
  2. Step 2: Convert to fraction form
    106,717.94/147,270.81 = 58,971.29/x
  3. Step 3: Cross multiply
    106,717.94x = 147,270.81 × 58,971.29
  4. Step 4: Simplify right side
    106,717.94x = 8,684,749,640.56
  5. Step 5: Solve for x
    x = 8,684,749,640.56/106,717.94
  6. Step 6: Final answer
    x = 81,380.41

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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.