Home / 45,738.40-68,607.60-16,189.60

Finding the Fourth Proportional to 45,738.40, 68,607.60 and 16,189.60

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Solution

The fourth proportional to 45,738.40, 68,607.60 and 16,189.60 is: 24,284.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,738.40 : 68,607.60 = 16,189.60 : x
  2. Step 2: Convert to fraction form
    45,738.40/68,607.60 = 16,189.60/x
  3. Step 3: Cross multiply
    45,738.40x = 68,607.60 × 16,189.60
  4. Step 4: Simplify right side
    45,738.40x = 1,110,729,600.96
  5. Step 5: Solve for x
    x = 1,110,729,600.96/45,738.40
  6. Step 6: Final answer
    x = 24,284.40

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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.