Home / 54,131.07-81,103.73-48,652.77

Finding the Fourth Proportional to 54,131.07, 81,103.73 and 48,652.77

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Solution

The fourth proportional to 54,131.07, 81,103.73 and 48,652.77 is: 72,895.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,131.07 : 81,103.73 = 48,652.77 : x
  2. Step 2: Convert to fraction form
    54,131.07/81,103.73 = 48,652.77/x
  3. Step 3: Cross multiply
    54,131.07x = 81,103.73 × 48,652.77
  4. Step 4: Simplify right side
    54,131.07x = 3,945,920,878.57
  5. Step 5: Solve for x
    x = 3,945,920,878.57/54,131.07
  6. Step 6: Final answer
    x = 72,895.67

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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.