Home / 47,475.45-65,505.42-28,351.76

Finding the Fourth Proportional to 47,475.45, 65,505.42 and 28,351.76

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Solution

The fourth proportional to 47,475.45, 65,505.42 and 28,351.76 is: 39,119.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,475.45 : 65,505.42 = 28,351.76 : x
  2. Step 2: Convert to fraction form
    47,475.45/65,505.42 = 28,351.76/x
  3. Step 3: Cross multiply
    47,475.45x = 65,505.42 × 28,351.76
  4. Step 4: Simplify right side
    47,475.45x = 1,857,193,619.01
  5. Step 5: Solve for x
    x = 1,857,193,619.01/47,475.45
  6. Step 6: Final answer
    x = 39,119.03

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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.