Home / 66,166.49-99,193.94-28,698.34

Finding the Fourth Proportional to 66,166.49, 99,193.94 and 28,698.34

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Solution

The fourth proportional to 66,166.49, 99,193.94 and 28,698.34 is: 43,023.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,166.49 : 99,193.94 = 28,698.34 : x
  2. Step 2: Convert to fraction form
    66,166.49/99,193.94 = 28,698.34/x
  3. Step 3: Cross multiply
    66,166.49x = 99,193.94 × 28,698.34
  4. Step 4: Simplify right side
    66,166.49x = 2,846,701,416.06
  5. Step 5: Solve for x
    x = 2,846,701,416.06/66,166.49
  6. Step 6: Final answer
    x = 43,023.31

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.