Home / 108,116.79-149,194.73-62,791.65

Finding the Fourth Proportional to 108,116.79, 149,194.73 and 62,791.65

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Solution

The fourth proportional to 108,116.79, 149,194.73 and 62,791.65 is: 86,648.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,116.79 : 149,194.73 = 62,791.65 : x
  2. Step 2: Convert to fraction form
    108,116.79/149,194.73 = 62,791.65/x
  3. Step 3: Cross multiply
    108,116.79x = 149,194.73 × 62,791.65
  4. Step 4: Simplify right side
    108,116.79x = 9,368,182,954.05
  5. Step 5: Solve for x
    x = 9,368,182,954.05/108,116.79
  6. Step 6: Final answer
    x = 86,648.73

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1.5x scale

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.