Home / 53,162.39-79,743.68-49,914.69

Finding the Fourth Proportional to 53,162.39, 79,743.68 and 49,914.69

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Solution

The fourth proportional to 53,162.39, 79,743.68 and 49,914.69 is: 74,872.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,162.39 : 79,743.68 = 49,914.69 : x
  2. Step 2: Convert to fraction form
    53,162.39/79,743.68 = 49,914.69/x
  3. Step 3: Cross multiply
    53,162.39x = 79,743.68 × 49,914.69
  4. Step 4: Simplify right side
    53,162.39x = 3,980,380,817.09
  5. Step 5: Solve for x
    x = 3,980,380,817.09/53,162.39
  6. Step 6: Final answer
    x = 74,872.13

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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.