Home / 106,736.74-147,297.79-58,340.05

Finding the Fourth Proportional to 106,736.74, 147,297.79 and 58,340.05

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Solution

The fourth proportional to 106,736.74, 147,297.79 and 58,340.05 is: 80,509.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,736.74 : 147,297.79 = 58,340.05 : x
  2. Step 2: Convert to fraction form
    106,736.74/147,297.79 = 58,340.05/x
  3. Step 3: Cross multiply
    106,736.74x = 147,297.79 × 58,340.05
  4. Step 4: Simplify right side
    106,736.74x = 8,593,360,138.17
  5. Step 5: Solve for x
    x = 8,593,360,138.17/106,736.74
  6. Step 6: Final answer
    x = 80,509.86

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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.