Home / 89,974.98-124,164.54-49,690.44

Finding the Fourth Proportional to 89,974.98, 124,164.54 and 49,690.44

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Solution

The fourth proportional to 89,974.98, 124,164.54 and 49,690.44 is: 68,572.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,974.98 : 124,164.54 = 49,690.44 : x
  2. Step 2: Convert to fraction form
    89,974.98/124,164.54 = 49,690.44/x
  3. Step 3: Cross multiply
    89,974.98x = 124,164.54 × 49,690.44
  4. Step 4: Simplify right side
    89,974.98x = 6,169,790,625.00
  5. Step 5: Solve for x
    x = 6,169,790,625.00/89,974.98
  6. Step 6: Final answer
    x = 68,572.29

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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.