Home / 45,035.06-67,559.90-13,863.02

Finding the Fourth Proportional to 45,035.06, 67,559.90 and 13,863.02

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Solution

The fourth proportional to 45,035.06, 67,559.90 and 13,863.02 is: 20,796.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,035.06 : 67,559.90 = 13,863.02 : x
  2. Step 2: Convert to fraction form
    45,035.06/67,559.90 = 13,863.02/x
  3. Step 3: Cross multiply
    45,035.06x = 67,559.90 × 13,863.02
  4. Step 4: Simplify right side
    45,035.06x = 936,584,446.81
  5. Step 5: Solve for x
    x = 936,584,446.81/45,035.06
  6. Step 6: Final answer
    x = 20,796.78

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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.