Home / 53,193.20-79,716.90-43,351.70

Finding the Fourth Proportional to 53,193.20, 79,716.90 and 43,351.70

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Solution

The fourth proportional to 53,193.20, 79,716.90 and 43,351.70 is: 64,968.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,193.20 : 79,716.90 = 43,351.70 : x
  2. Step 2: Convert to fraction form
    53,193.20/79,716.90 = 43,351.70/x
  3. Step 3: Cross multiply
    53,193.20x = 79,716.90 × 43,351.70
  4. Step 4: Simplify right side
    53,193.20x = 3,455,863,133.73
  5. Step 5: Solve for x
    x = 3,455,863,133.73/53,193.20
  6. Step 6: Final answer
    x = 64,968.14

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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.