Home / 97,644.26-146,466.40-31,104.78

Finding the Fourth Proportional to 97,644.26, 146,466.40 and 31,104.78

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Solution

The fourth proportional to 97,644.26, 146,466.40 and 31,104.78 is: 46,657.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,644.26 : 146,466.40 = 31,104.78 : x
  2. Step 2: Convert to fraction form
    97,644.26/146,466.40 = 31,104.78/x
  3. Step 3: Cross multiply
    97,644.26x = 146,466.40 × 31,104.78
  4. Step 4: Simplify right side
    97,644.26x = 4,555,805,149.39
  5. Step 5: Solve for x
    x = 4,555,805,149.39/97,644.26
  6. Step 6: Final answer
    x = 46,657.17

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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.