Home / 84,828.73-117,081.02-49,013.98

Finding the Fourth Proportional to 84,828.73, 117,081.02 and 49,013.98

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Solution

The fourth proportional to 84,828.73, 117,081.02 and 49,013.98 is: 67,649.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,828.73 : 117,081.02 = 49,013.98 : x
  2. Step 2: Convert to fraction form
    84,828.73/117,081.02 = 49,013.98/x
  3. Step 3: Cross multiply
    84,828.73x = 117,081.02 × 49,013.98
  4. Step 4: Simplify right side
    84,828.73x = 5,738,606,772.66
  5. Step 5: Solve for x
    x = 5,738,606,772.66/84,828.73
  6. Step 6: Final answer
    x = 67,649.33

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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.