Home / 47,790.66-71,676.38-45,419.58

Finding the Fourth Proportional to 47,790.66, 71,676.38 and 45,419.58

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Solution

The fourth proportional to 47,790.66, 71,676.38 and 45,419.58 is: 68,120.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,790.66 : 71,676.38 = 45,419.58 : x
  2. Step 2: Convert to fraction form
    47,790.66/71,676.38 = 45,419.58/x
  3. Step 3: Cross multiply
    47,790.66x = 71,676.38 × 45,419.58
  4. Step 4: Simplify right side
    47,790.66x = 3,255,511,075.52
  5. Step 5: Solve for x
    x = 3,255,511,075.52/47,790.66
  6. Step 6: Final answer
    x = 68,120.24

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.