Home / 89,802.41-123,928.14-49,517.63

Finding the Fourth Proportional to 89,802.41, 123,928.14 and 49,517.63

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Solution

The fourth proportional to 89,802.41, 123,928.14 and 49,517.63 is: 68,334.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,802.41 : 123,928.14 = 49,517.63 : x
  2. Step 2: Convert to fraction form
    89,802.41/123,928.14 = 49,517.63/x
  3. Step 3: Cross multiply
    89,802.41x = 123,928.14 × 49,517.63
  4. Step 4: Simplify right side
    89,802.41x = 6,136,627,813.89
  5. Step 5: Solve for x
    x = 6,136,627,813.89/89,802.41
  6. Step 6: Final answer
    x = 68,334.78

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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.