Home / 48,790.08-73,170.60-20,709.72

Finding the Fourth Proportional to 48,790.08, 73,170.60 and 20,709.72

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Solution

The fourth proportional to 48,790.08, 73,170.60 and 20,709.72 is: 31,058.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,790.08 : 73,170.60 = 20,709.72 : x
  2. Step 2: Convert to fraction form
    48,790.08/73,170.60 = 20,709.72/x
  3. Step 3: Cross multiply
    48,790.08x = 73,170.60 × 20,709.72
  4. Step 4: Simplify right side
    48,790.08x = 1,515,342,638.23
  5. Step 5: Solve for x
    x = 1,515,342,638.23/48,790.08
  6. Step 6: Final answer
    x = 31,058.42

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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.