Home / 106,716.80-147,256.36-58,963.61

Finding the Fourth Proportional to 106,716.80, 147,256.36 and 58,963.61

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Solution

The fourth proportional to 106,716.80, 147,256.36 and 58,963.61 is: 81,362.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,716.80 : 147,256.36 = 58,963.61 : x
  2. Step 2: Convert to fraction form
    106,716.80/147,256.36 = 58,963.61/x
  3. Step 3: Cross multiply
    106,716.80x = 147,256.36 × 58,963.61
  4. Step 4: Simplify right side
    106,716.80x = 8,682,765,697.37
  5. Step 5: Solve for x
    x = 8,682,765,697.37/106,716.80
  6. Step 6: Final answer
    x = 81,362.69

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1.5x scale

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.