Home / 86,356.38-129,539.19-27,196.66

Finding the Fourth Proportional to 86,356.38, 129,539.19 and 27,196.66

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Solution

The fourth proportional to 86,356.38, 129,539.19 and 27,196.66 is: 40,796.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,356.38 : 129,539.19 = 27,196.66 : x
  2. Step 2: Convert to fraction form
    86,356.38/129,539.19 = 27,196.66/x
  3. Step 3: Cross multiply
    86,356.38x = 129,539.19 × 27,196.66
  4. Step 4: Simplify right side
    86,356.38x = 3,523,032,659.41
  5. Step 5: Solve for x
    x = 3,523,032,659.41/86,356.38
  6. Step 6: Final answer
    x = 40,796.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.