Home / 68,417.06-94,414.62-38,202.90

Finding the Fourth Proportional to 68,417.06, 94,414.62 and 38,202.90

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Solution

The fourth proportional to 68,417.06, 94,414.62 and 38,202.90 is: 52,719.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,417.06 : 94,414.62 = 38,202.90 : x
  2. Step 2: Convert to fraction form
    68,417.06/94,414.62 = 38,202.90/x
  3. Step 3: Cross multiply
    68,417.06x = 94,414.62 × 38,202.90
  4. Step 4: Simplify right side
    68,417.06x = 3,606,912,286.40
  5. Step 5: Solve for x
    x = 3,606,912,286.40/68,417.06
  6. Step 6: Final answer
    x = 52,719.49

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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.