Home / 85,304.94-117,682.78-49,474.18

Finding the Fourth Proportional to 85,304.94, 117,682.78 and 49,474.18

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Solution

The fourth proportional to 85,304.94, 117,682.78 and 49,474.18 is: 68,252.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,304.94 : 117,682.78 = 49,474.18 : x
  2. Step 2: Convert to fraction form
    85,304.94/117,682.78 = 49,474.18/x
  3. Step 3: Cross multiply
    85,304.94x = 117,682.78 × 49,474.18
  4. Step 4: Simplify right side
    85,304.94x = 5,822,259,040.62
  5. Step 5: Solve for x
    x = 5,822,259,040.62/85,304.94
  6. Step 6: Final answer
    x = 68,252.31

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1.5x scale

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.