Home / 113,614.20-170,419.70-51,284.60

Finding the Fourth Proportional to 113,614.20, 170,419.70 and 51,284.60

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Solution

The fourth proportional to 113,614.20, 170,419.70 and 51,284.60 is: 76,926.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,614.20 : 170,419.70 = 51,284.60 : x
  2. Step 2: Convert to fraction form
    113,614.20/170,419.70 = 51,284.60/x
  3. Step 3: Cross multiply
    113,614.20x = 170,419.70 × 51,284.60
  4. Step 4: Simplify right side
    113,614.20x = 8,739,906,146.62
  5. Step 5: Solve for x
    x = 8,739,906,146.62/113,614.20
  6. Step 6: Final answer
    x = 76,926.18

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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.