Home / 49,193.60-73,790.40-14,131.20

Finding the Fourth Proportional to 49,193.60, 73,790.40 and 14,131.20

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Solution

The fourth proportional to 49,193.60, 73,790.40 and 14,131.20 is: 21,196.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,193.60 : 73,790.40 = 14,131.20 : x
  2. Step 2: Convert to fraction form
    49,193.60/73,790.40 = 14,131.20/x
  3. Step 3: Cross multiply
    49,193.60x = 73,790.40 × 14,131.20
  4. Step 4: Simplify right side
    49,193.60x = 1,042,746,900.48
  5. Step 5: Solve for x
    x = 1,042,746,900.48/49,193.60
  6. Step 6: Final answer
    x = 21,196.80

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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.