Home / 65,836.27-90,853.92-35,621.50

Finding the Fourth Proportional to 65,836.27, 90,853.92 and 35,621.50

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Solution

The fourth proportional to 65,836.27, 90,853.92 and 35,621.50 is: 49,157.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,836.27 : 90,853.92 = 35,621.50 : x
  2. Step 2: Convert to fraction form
    65,836.27/90,853.92 = 35,621.50/x
  3. Step 3: Cross multiply
    65,836.27x = 90,853.92 × 35,621.50
  4. Step 4: Simplify right side
    65,836.27x = 3,236,352,911.28
  5. Step 5: Solve for x
    x = 3,236,352,911.28/65,836.27
  6. Step 6: Final answer
    x = 49,157.60

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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.