Home / 83,450.43-115,166.21-47,651.94

Finding the Fourth Proportional to 83,450.43, 115,166.21 and 47,651.94

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Solution

The fourth proportional to 83,450.43, 115,166.21 and 47,651.94 is: 65,762.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,450.43 : 115,166.21 = 47,651.94 : x
  2. Step 2: Convert to fraction form
    83,450.43/115,166.21 = 47,651.94/x
  3. Step 3: Cross multiply
    83,450.43x = 115,166.21 × 47,651.94
  4. Step 4: Simplify right side
    83,450.43x = 5,487,893,090.69
  5. Step 5: Solve for x
    x = 5,487,893,090.69/83,450.43
  6. Step 6: Final answer
    x = 65,762.31

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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.