Home / 47,741.76-65,891.52-39,771.36

Finding the Fourth Proportional to 47,741.76, 65,891.52 and 39,771.36

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Solution

The fourth proportional to 47,741.76, 65,891.52 and 39,771.36 is: 54,891.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,741.76 : 65,891.52 = 39,771.36 : x
  2. Step 2: Convert to fraction form
    47,741.76/65,891.52 = 39,771.36/x
  3. Step 3: Cross multiply
    47,741.76x = 65,891.52 × 39,771.36
  4. Step 4: Simplify right side
    47,741.76x = 2,620,595,362.87
  5. Step 5: Solve for x
    x = 2,620,595,362.87/47,741.76
  6. Step 6: Final answer
    x = 54,891.05

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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.