Home / 68,282.40-94,236.72-38,072.64

Finding the Fourth Proportional to 68,282.40, 94,236.72 and 38,072.64

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Solution

The fourth proportional to 68,282.40, 94,236.72 and 38,072.64 is: 52,544.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,282.40 : 94,236.72 = 38,072.64 : x
  2. Step 2: Convert to fraction form
    68,282.40/94,236.72 = 38,072.64/x
  3. Step 3: Cross multiply
    68,282.40x = 94,236.72 × 38,072.64
  4. Step 4: Simplify right side
    68,282.40x = 3,587,840,715.34
  5. Step 5: Solve for x
    x = 3,587,840,715.34/68,282.40
  6. Step 6: Final answer
    x = 52,544.15

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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.