Home / 51,375.26-76,956.24-47,638.19

Finding the Fourth Proportional to 51,375.26, 76,956.24 and 47,638.19

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Solution

The fourth proportional to 51,375.26, 76,956.24 and 47,638.19 is: 71,358.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,375.26 : 76,956.24 = 47,638.19 : x
  2. Step 2: Convert to fraction form
    51,375.26/76,956.24 = 47,638.19/x
  3. Step 3: Cross multiply
    51,375.26x = 76,956.24 × 47,638.19
  4. Step 4: Simplify right side
    51,375.26x = 3,666,055,982.81
  5. Step 5: Solve for x
    x = 3,666,055,982.81/51,375.26
  6. Step 6: Final answer
    x = 71,358.39

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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.