Home / 68,450.94-94,506.75-61,268.40

Finding the Fourth Proportional to 68,450.94, 94,506.75 and 61,268.40

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Solution

The fourth proportional to 68,450.94, 94,506.75 and 61,268.40 is: 84,590.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,450.94 : 94,506.75 = 61,268.40 : x
  2. Step 2: Convert to fraction form
    68,450.94/94,506.75 = 61,268.40/x
  3. Step 3: Cross multiply
    68,450.94x = 94,506.75 × 61,268.40
  4. Step 4: Simplify right side
    68,450.94x = 5,790,277,361.70
  5. Step 5: Solve for x
    x = 5,790,277,361.70/68,450.94
  6. Step 6: Final answer
    x = 84,590.18

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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.