Home / 50,055.57-69,072.75-28,836.54

Finding the Fourth Proportional to 50,055.57, 69,072.75 and 28,836.54

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Solution

The fourth proportional to 50,055.57, 69,072.75 and 28,836.54 is: 39,792.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,055.57 : 69,072.75 = 28,836.54 : x
  2. Step 2: Convert to fraction form
    50,055.57/69,072.75 = 28,836.54/x
  3. Step 3: Cross multiply
    50,055.57x = 69,072.75 × 28,836.54
  4. Step 4: Simplify right side
    50,055.57x = 1,991,819,118.29
  5. Step 5: Solve for x
    x = 1,991,819,118.29/50,055.57
  6. Step 6: Final answer
    x = 39,792.16

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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.