Home / 89,974.07-124,166.16-49,690.41

Finding the Fourth Proportional to 89,974.07, 124,166.16 and 49,690.41

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Solution

The fourth proportional to 89,974.07, 124,166.16 and 49,690.41 is: 68,573.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,974.07 : 124,166.16 = 49,690.41 : x
  2. Step 2: Convert to fraction form
    89,974.07/124,166.16 = 49,690.41/x
  3. Step 3: Cross multiply
    89,974.07x = 124,166.16 × 49,690.41
  4. Step 4: Simplify right side
    89,974.07x = 6,169,867,398.53
  5. Step 5: Solve for x
    x = 6,169,867,398.53/89,974.07
  6. Step 6: Final answer
    x = 68,573.84

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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.