Home / 61,021.98-84,201.48-34,159.54

Finding the Fourth Proportional to 61,021.98, 84,201.48 and 34,159.54

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Solution

The fourth proportional to 61,021.98, 84,201.48 and 34,159.54 is: 47,135.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,021.98 : 84,201.48 = 34,159.54 : x
  2. Step 2: Convert to fraction form
    61,021.98/84,201.48 = 34,159.54/x
  3. Step 3: Cross multiply
    61,021.98x = 84,201.48 × 34,159.54
  4. Step 4: Simplify right side
    61,021.98x = 2,876,283,824.12
  5. Step 5: Solve for x
    x = 2,876,283,824.12/61,021.98
  6. Step 6: Final answer
    x = 47,135.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.