Home / 53,450.69-80,185.14-20,175.48

Finding the Fourth Proportional to 53,450.69, 80,185.14 and 20,175.48

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Solution

The fourth proportional to 53,450.69, 80,185.14 and 20,175.48 is: 30,266.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,450.69 : 80,185.14 = 20,175.48 : x
  2. Step 2: Convert to fraction form
    53,450.69/80,185.14 = 20,175.48/x
  3. Step 3: Cross multiply
    53,450.69x = 80,185.14 × 20,175.48
  4. Step 4: Simplify right side
    53,450.69x = 1,617,773,688.37
  5. Step 5: Solve for x
    x = 1,617,773,688.37/53,450.69
  6. Step 6: Final answer
    x = 30,266.66

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1.5x scale

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.