Home / 108,584.22-149,643.27-84,673.02

Finding the Fourth Proportional to 108,584.22, 149,643.27 and 84,673.02

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Solution

The fourth proportional to 108,584.22, 149,643.27 and 84,673.02 is: 116,690.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,584.22 : 149,643.27 = 84,673.02 : x
  2. Step 2: Convert to fraction form
    108,584.22/149,643.27 = 84,673.02/x
  3. Step 3: Cross multiply
    108,584.22x = 149,643.27 × 84,673.02
  4. Step 4: Simplify right side
    108,584.22x = 12,670,747,593.58
  5. Step 5: Solve for x
    x = 12,670,747,593.58/108,584.22
  6. Step 6: Final answer
    x = 116,690.51

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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.