Home / 106,579.29-147,080.44-58,831.61

Finding the Fourth Proportional to 106,579.29, 147,080.44 and 58,831.61

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Solution

The fourth proportional to 106,579.29, 147,080.44 and 58,831.61 is: 81,188.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,579.29 : 147,080.44 = 58,831.61 : x
  2. Step 2: Convert to fraction form
    106,579.29/147,080.44 = 58,831.61/x
  3. Step 3: Cross multiply
    106,579.29x = 147,080.44 × 58,831.61
  4. Step 4: Simplify right side
    106,579.29x = 8,652,978,974.40
  5. Step 5: Solve for x
    x = 8,652,978,974.40/106,579.29
  6. Step 6: Final answer
    x = 81,188.19

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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.