Home / 61,093.85-91,621.33-19,531.13

Finding the Fourth Proportional to 61,093.85, 91,621.33 and 19,531.13

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Solution

The fourth proportional to 61,093.85, 91,621.33 and 19,531.13 is: 29,290.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,093.85 : 91,621.33 = 19,531.13 : x
  2. Step 2: Convert to fraction form
    61,093.85/91,621.33 = 19,531.13/x
  3. Step 3: Cross multiply
    61,093.85x = 91,621.33 × 19,531.13
  4. Step 4: Simplify right side
    61,093.85x = 1,789,467,600.07
  5. Step 5: Solve for x
    x = 1,789,467,600.07/61,093.85
  6. Step 6: Final answer
    x = 29,290.47

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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.