Home / 86,158.28-129,237.46-26,998.58

Finding the Fourth Proportional to 86,158.28, 129,237.46 and 26,998.58

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Solution

The fourth proportional to 86,158.28, 129,237.46 and 26,998.58 is: 40,497.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,158.28 : 129,237.46 = 26,998.58 : x
  2. Step 2: Convert to fraction form
    86,158.28/129,237.46 = 26,998.58/x
  3. Step 3: Cross multiply
    86,158.28x = 129,237.46 × 26,998.58
  4. Step 4: Simplify right side
    86,158.28x = 3,489,227,189.12
  5. Step 5: Solve for x
    x = 3,489,227,189.12/86,158.28
  6. Step 6: Final answer
    x = 40,497.88

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Similar ratio
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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.