Home / 65,682.24-90,626.04-48,725.64

Finding the Fourth Proportional to 65,682.24, 90,626.04 and 48,725.64

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Solution

The fourth proportional to 65,682.24, 90,626.04 and 48,725.64 is: 67,229.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,682.24 : 90,626.04 = 48,725.64 : x
  2. Step 2: Convert to fraction form
    65,682.24/90,626.04 = 48,725.64/x
  3. Step 3: Cross multiply
    65,682.24x = 90,626.04 × 48,725.64
  4. Step 4: Simplify right side
    65,682.24x = 4,415,811,799.67
  5. Step 5: Solve for x
    x = 4,415,811,799.67/65,682.24
  6. Step 6: Final answer
    x = 67,229.92

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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.