Home / 100,993.05-139,370.36-58,576.14

Finding the Fourth Proportional to 100,993.05, 139,370.36 and 58,576.14

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Solution

The fourth proportional to 100,993.05, 139,370.36 and 58,576.14 is: 80,835.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,993.05 : 139,370.36 = 58,576.14 : x
  2. Step 2: Convert to fraction form
    100,993.05/139,370.36 = 58,576.14/x
  3. Step 3: Cross multiply
    100,993.05x = 139,370.36 × 58,576.14
  4. Step 4: Simplify right side
    100,993.05x = 8,163,777,426.33
  5. Step 5: Solve for x
    x = 8,163,777,426.33/100,993.05
  6. Step 6: Final answer
    x = 80,835.04

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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.