Home / 106,136.67-146,467.46-58,390.05

Finding the Fourth Proportional to 106,136.67, 146,467.46 and 58,390.05

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Solution

The fourth proportional to 106,136.67, 146,467.46 and 58,390.05 is: 80,577.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,136.67 : 146,467.46 = 58,390.05 : x
  2. Step 2: Convert to fraction form
    106,136.67/146,467.46 = 58,390.05/x
  3. Step 3: Cross multiply
    106,136.67x = 146,467.46 × 58,390.05
  4. Step 4: Simplify right side
    106,136.67x = 8,552,242,020.82
  5. Step 5: Solve for x
    x = 8,552,242,020.82/106,136.67
  6. Step 6: Final answer
    x = 80,577.64

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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.