Home / 97,645.26-146,467.89-31,105.80

Finding the Fourth Proportional to 97,645.26, 146,467.89 and 31,105.80

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Solution

The fourth proportional to 97,645.26, 146,467.89 and 31,105.80 is: 46,658.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,645.26 : 146,467.89 = 31,105.80 : x
  2. Step 2: Convert to fraction form
    97,645.26/146,467.89 = 31,105.80/x
  3. Step 3: Cross multiply
    97,645.26x = 146,467.89 × 31,105.80
  4. Step 4: Simplify right side
    97,645.26x = 4,556,000,892.76
  5. Step 5: Solve for x
    x = 4,556,000,892.76/97,645.26
  6. Step 6: Final answer
    x = 46,658.70

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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.