Home / 51,894.14-71,614.03-30,683.90

Finding the Fourth Proportional to 51,894.14, 71,614.03 and 30,683.90

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Solution

The fourth proportional to 51,894.14, 71,614.03 and 30,683.90 is: 42,343.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,894.14 : 71,614.03 = 30,683.90 : x
  2. Step 2: Convert to fraction form
    51,894.14/71,614.03 = 30,683.90/x
  3. Step 3: Cross multiply
    51,894.14x = 71,614.03 × 30,683.90
  4. Step 4: Simplify right side
    51,894.14x = 2,197,397,735.12
  5. Step 5: Solve for x
    x = 2,197,397,735.12/51,894.14
  6. Step 6: Final answer
    x = 42,343.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.