Home / 106,849.50-147,453.30-58,450.47

Finding the Fourth Proportional to 106,849.50, 147,453.30 and 58,450.47

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Solution

The fourth proportional to 106,849.50, 147,453.30 and 58,450.47 is: 80,662.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,849.50 : 147,453.30 = 58,450.47 : x
  2. Step 2: Convert to fraction form
    106,849.50/147,453.30 = 58,450.47/x
  3. Step 3: Cross multiply
    106,849.50x = 147,453.30 × 58,450.47
  4. Step 4: Simplify right side
    106,849.50x = 8,618,714,688.05
  5. Step 5: Solve for x
    x = 8,618,714,688.05/106,849.50
  6. Step 6: Final answer
    x = 80,662.19

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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.