Home / 68,391.15-94,389.69-49,334.07

Finding the Fourth Proportional to 68,391.15, 94,389.69 and 49,334.07

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Solution

The fourth proportional to 68,391.15, 94,389.69 and 49,334.07 is: 68,088.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,391.15 : 94,389.69 = 49,334.07 : x
  2. Step 2: Convert to fraction form
    68,391.15/94,389.69 = 49,334.07/x
  3. Step 3: Cross multiply
    68,391.15x = 94,389.69 × 49,334.07
  4. Step 4: Simplify right side
    68,391.15x = 4,656,628,112.70
  5. Step 5: Solve for x
    x = 4,656,628,112.70/68,391.15
  6. Step 6: Final answer
    x = 68,088.17

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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.