Home / 68,418.84-94,406.16-38,202.60

Finding the Fourth Proportional to 68,418.84, 94,406.16 and 38,202.60

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Solution

The fourth proportional to 68,418.84, 94,406.16 and 38,202.60 is: 52,712.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,418.84 : 94,406.16 = 38,202.60 : x
  2. Step 2: Convert to fraction form
    68,418.84/94,406.16 = 38,202.60/x
  3. Step 3: Cross multiply
    68,418.84x = 94,406.16 × 38,202.60
  4. Step 4: Simplify right side
    68,418.84x = 3,606,560,768.02
  5. Step 5: Solve for x
    x = 3,606,560,768.02/68,418.84
  6. Step 6: Final answer
    x = 52,712.98

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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.