Home / 53,857.39-80,786.12-25,770.84

Finding the Fourth Proportional to 53,857.39, 80,786.12 and 25,770.84

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Solution

The fourth proportional to 53,857.39, 80,786.12 and 25,770.84 is: 38,656.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,857.39 : 80,786.12 = 25,770.84 : x
  2. Step 2: Convert to fraction form
    53,857.39/80,786.12 = 25,770.84/x
  3. Step 3: Cross multiply
    53,857.39x = 80,786.12 × 25,770.84
  4. Step 4: Simplify right side
    53,857.39x = 2,081,926,172.74
  5. Step 5: Solve for x
    x = 2,081,926,172.74/53,857.39
  6. Step 6: Final answer
    x = 38,656.28

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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.