Home / 68,356.05-94,331.06-38,141.43

Finding the Fourth Proportional to 68,356.05, 94,331.06 and 38,141.43

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Solution

The fourth proportional to 68,356.05, 94,331.06 and 38,141.43 is: 52,635.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,356.05 : 94,331.06 = 38,141.43 : x
  2. Step 2: Convert to fraction form
    68,356.05/94,331.06 = 38,141.43/x
  3. Step 3: Cross multiply
    68,356.05x = 94,331.06 × 38,141.43
  4. Step 4: Simplify right side
    68,356.05x = 3,597,921,331.11
  5. Step 5: Solve for x
    x = 3,597,921,331.11/68,356.05
  6. Step 6: Final answer
    x = 52,635.01

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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.