Home / 48,198.48-72,290.43-13,140.90

Finding the Fourth Proportional to 48,198.48, 72,290.43 and 13,140.90

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Solution

The fourth proportional to 48,198.48, 72,290.43 and 13,140.90 is: 19,709.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,198.48 : 72,290.43 = 13,140.90 : x
  2. Step 2: Convert to fraction form
    48,198.48/72,290.43 = 13,140.90/x
  3. Step 3: Cross multiply
    48,198.48x = 72,290.43 × 13,140.90
  4. Step 4: Simplify right side
    48,198.48x = 949,961,311.59
  5. Step 5: Solve for x
    x = 949,961,311.59/48,198.48
  6. Step 6: Final answer
    x = 19,709.36

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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.