Home / 85,300.94-117,677.26-49,470.18

Finding the Fourth Proportional to 85,300.94, 117,677.26 and 49,470.18

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Solution

The fourth proportional to 85,300.94, 117,677.26 and 49,470.18 is: 68,246.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,300.94 : 117,677.26 = 49,470.18 : x
  2. Step 2: Convert to fraction form
    85,300.94/117,677.26 = 49,470.18/x
  3. Step 3: Cross multiply
    85,300.94x = 117,677.26 × 49,470.18
  4. Step 4: Simplify right side
    85,300.94x = 5,821,515,234.11
  5. Step 5: Solve for x
    x = 5,821,515,234.11/85,300.94
  6. Step 6: Final answer
    x = 68,246.79

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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.