Home / 50,930.51-76,399.20-13,490.08

Finding the Fourth Proportional to 50,930.51, 76,399.20 and 13,490.08

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Solution

The fourth proportional to 50,930.51, 76,399.20 and 13,490.08 is: 20,236.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,930.51 : 76,399.20 = 13,490.08 : x
  2. Step 2: Convert to fraction form
    50,930.51/76,399.20 = 13,490.08/x
  3. Step 3: Cross multiply
    50,930.51x = 76,399.20 × 13,490.08
  4. Step 4: Simplify right side
    50,930.51x = 1,030,631,128.94
  5. Step 5: Solve for x
    x = 1,030,631,128.94/50,930.51
  6. Step 6: Final answer
    x = 20,236.03

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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.