Home / 108,361.36-149,549.94-62,422.59

Finding the Fourth Proportional to 108,361.36, 149,549.94 and 62,422.59

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Solution

The fourth proportional to 108,361.36, 149,549.94 and 62,422.59 is: 86,149.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,361.36 : 149,549.94 = 62,422.59 : x
  2. Step 2: Convert to fraction form
    108,361.36/149,549.94 = 62,422.59/x
  3. Step 3: Cross multiply
    108,361.36x = 149,549.94 × 62,422.59
  4. Step 4: Simplify right side
    108,361.36x = 9,335,294,589.14
  5. Step 5: Solve for x
    x = 9,335,294,589.14/108,361.36
  6. Step 6: Final answer
    x = 86,149.66

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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.