Home / 106,976.21-147,629.42-58,580.18

Finding the Fourth Proportional to 106,976.21, 147,629.42 and 58,580.18

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Solution

The fourth proportional to 106,976.21, 147,629.42 and 58,580.18 is: 80,841.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,976.21 : 147,629.42 = 58,580.18 : x
  2. Step 2: Convert to fraction form
    106,976.21/147,629.42 = 58,580.18/x
  3. Step 3: Cross multiply
    106,976.21x = 147,629.42 × 58,580.18
  4. Step 4: Simplify right side
    106,976.21x = 8,648,156,965.85
  5. Step 5: Solve for x
    x = 8,648,156,965.85/106,976.21
  6. Step 6: Final answer
    x = 80,841.87

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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.