Home / 108,922.46-150,329.68-66,505.82

Finding the Fourth Proportional to 108,922.46, 150,329.68 and 66,505.82

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Solution

The fourth proportional to 108,922.46, 150,329.68 and 66,505.82 is: 91,788.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,922.46 : 150,329.68 = 66,505.82 : x
  2. Step 2: Convert to fraction form
    108,922.46/150,329.68 = 66,505.82/x
  3. Step 3: Cross multiply
    108,922.46x = 150,329.68 × 66,505.82
  4. Step 4: Simplify right side
    108,922.46x = 9,997,797,720.82
  5. Step 5: Solve for x
    x = 9,997,797,720.82/108,922.46
  6. Step 6: Final answer
    x = 91,788.22

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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.