Home / 47,245.47-65,144.64-35,288.61

Finding the Fourth Proportional to 47,245.47, 65,144.64 and 35,288.61

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Solution

The fourth proportional to 47,245.47, 65,144.64 and 35,288.61 is: 48,657.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,245.47 : 65,144.64 = 35,288.61 : x
  2. Step 2: Convert to fraction form
    47,245.47/65,144.64 = 35,288.61/x
  3. Step 3: Cross multiply
    47,245.47x = 65,144.64 × 35,288.61
  4. Step 4: Simplify right side
    47,245.47x = 2,298,863,794.55
  5. Step 5: Solve for x
    x = 2,298,863,794.55/47,245.47
  6. Step 6: Final answer
    x = 48,657.87

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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.