Home / 56,419.62-84,546.27-31,425.26

Finding the Fourth Proportional to 56,419.62, 84,546.27 and 31,425.26

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Solution

The fourth proportional to 56,419.62, 84,546.27 and 31,425.26 is: 47,091.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,419.62 : 84,546.27 = 31,425.26 : x
  2. Step 2: Convert to fraction form
    56,419.62/84,546.27 = 31,425.26/x
  3. Step 3: Cross multiply
    56,419.62x = 84,546.27 × 31,425.26
  4. Step 4: Simplify right side
    56,419.62x = 2,656,888,516.78
  5. Step 5: Solve for x
    x = 2,656,888,516.78/56,419.62
  6. Step 6: Final answer
    x = 47,091.57

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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.