Home / 47,243.81-65,142.36-35,286.98

Finding the Fourth Proportional to 47,243.81, 65,142.36 and 35,286.98

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Solution

The fourth proportional to 47,243.81, 65,142.36 and 35,286.98 is: 48,655.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,243.81 : 65,142.36 = 35,286.98 : x
  2. Step 2: Convert to fraction form
    47,243.81/65,142.36 = 35,286.98/x
  3. Step 3: Cross multiply
    47,243.81x = 65,142.36 × 35,286.98
  4. Step 4: Simplify right side
    47,243.81x = 2,298,677,154.47
  5. Step 5: Solve for x
    x = 2,298,677,154.47/47,243.81
  6. Step 6: Final answer
    x = 48,655.63

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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.