Home / 68,836.90-94,993.40-38,621.68

Finding the Fourth Proportional to 68,836.90, 94,993.40 and 38,621.68

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Solution

The fourth proportional to 68,836.90, 94,993.40 and 38,621.68 is: 53,297.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,836.90 : 94,993.40 = 38,621.68 : x
  2. Step 2: Convert to fraction form
    68,836.90/94,993.40 = 38,621.68/x
  3. Step 3: Cross multiply
    68,836.90x = 94,993.40 × 38,621.68
  4. Step 4: Simplify right side
    68,836.90x = 3,668,804,696.91
  5. Step 5: Solve for x
    x = 3,668,804,696.91/68,836.90
  6. Step 6: Final answer
    x = 53,297.06

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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.