Home / 63,021.69-86,975.91-36,170.19

Finding the Fourth Proportional to 63,021.69, 86,975.91 and 36,170.19

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Solution

The fourth proportional to 63,021.69, 86,975.91 and 36,170.19 is: 49,918.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,021.69 : 86,975.91 = 36,170.19 : x
  2. Step 2: Convert to fraction form
    63,021.69/86,975.91 = 36,170.19/x
  3. Step 3: Cross multiply
    63,021.69x = 86,975.91 × 36,170.19
  4. Step 4: Simplify right side
    63,021.69x = 3,145,935,190.12
  5. Step 5: Solve for x
    x = 3,145,935,190.12/63,021.69
  6. Step 6: Final answer
    x = 49,918.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.