Home / 45,446.96-68,185.42-13,858.32

Finding the Fourth Proportional to 45,446.96, 68,185.42 and 13,858.32

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Solution

The fourth proportional to 45,446.96, 68,185.42 and 13,858.32 is: 20,792.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,446.96 : 68,185.42 = 13,858.32 : x
  2. Step 2: Convert to fraction form
    45,446.96/68,185.42 = 13,858.32/x
  3. Step 3: Cross multiply
    45,446.96x = 68,185.42 × 13,858.32
  4. Step 4: Simplify right side
    45,446.96x = 944,935,369.69
  5. Step 5: Solve for x
    x = 944,935,369.69/45,446.96
  6. Step 6: Final answer
    x = 20,792.05

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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.