Home / 68,516.28-94,556.88-38,301.72

Finding the Fourth Proportional to 68,516.28, 94,556.88 and 38,301.72

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Solution

The fourth proportional to 68,516.28, 94,556.88 and 38,301.72 is: 52,858.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,516.28 : 94,556.88 = 38,301.72 : x
  2. Step 2: Convert to fraction form
    68,516.28/94,556.88 = 38,301.72/x
  3. Step 3: Cross multiply
    68,516.28x = 94,556.88 × 38,301.72
  4. Step 4: Simplify right side
    68,516.28x = 3,621,691,141.83
  5. Step 5: Solve for x
    x = 3,621,691,141.83/68,516.28
  6. Step 6: Final answer
    x = 52,858.84

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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.