Home / 86,157.41-129,236.19-26,997.69

Finding the Fourth Proportional to 86,157.41, 129,236.19 and 26,997.69

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Solution

The fourth proportional to 86,157.41, 129,236.19 and 26,997.69 is: 40,496.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,157.41 : 129,236.19 = 26,997.69 : x
  2. Step 2: Convert to fraction form
    86,157.41/129,236.19 = 26,997.69/x
  3. Step 3: Cross multiply
    86,157.41x = 129,236.19 × 26,997.69
  4. Step 4: Simplify right side
    86,157.41x = 3,489,078,594.40
  5. Step 5: Solve for x
    x = 3,489,078,594.40/86,157.41
  6. Step 6: Final answer
    x = 40,496.56

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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.