Home / 45,884.53-68,812.21-31,187.89

Finding the Fourth Proportional to 45,884.53, 68,812.21 and 31,187.89

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Solution

The fourth proportional to 45,884.53, 68,812.21 and 31,187.89 is: 46,771.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,884.53 : 68,812.21 = 31,187.89 : x
  2. Step 2: Convert to fraction form
    45,884.53/68,812.21 = 31,187.89/x
  3. Step 3: Cross multiply
    45,884.53x = 68,812.21 × 31,187.89
  4. Step 4: Simplify right side
    45,884.53x = 2,146,107,286.35
  5. Step 5: Solve for x
    x = 2,146,107,286.35/45,884.53
  6. Step 6: Final answer
    x = 46,771.92

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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.