Home / 108,686.97-149,959.63-62,735.37

Finding the Fourth Proportional to 108,686.97, 149,959.63 and 62,735.37

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Solution

The fourth proportional to 108,686.97, 149,959.63 and 62,735.37 is: 86,558.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,686.97 : 149,959.63 = 62,735.37 : x
  2. Step 2: Convert to fraction form
    108,686.97/149,959.63 = 62,735.37/x
  3. Step 3: Cross multiply
    108,686.97x = 149,959.63 × 62,735.37
  4. Step 4: Simplify right side
    108,686.97x = 9,407,772,873.11
  5. Step 5: Solve for x
    x = 9,407,772,873.11/108,686.97
  6. Step 6: Final answer
    x = 86,558.42

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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.