Home / 106,718.94-147,272.19-58,972.29

Finding the Fourth Proportional to 106,718.94, 147,272.19 and 58,972.29

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Solution

The fourth proportional to 106,718.94, 147,272.19 and 58,972.29 is: 81,381.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,718.94 : 147,272.19 = 58,972.29 : x
  2. Step 2: Convert to fraction form
    106,718.94/147,272.19 = 58,972.29/x
  3. Step 3: Cross multiply
    106,718.94x = 147,272.19 × 58,972.29
  4. Step 4: Simplify right side
    106,718.94x = 8,684,978,297.62
  5. Step 5: Solve for x
    x = 8,684,978,297.62/106,718.94
  6. Step 6: Final answer
    x = 81,381.79

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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.