Home / 50,749.33-70,033.56-28,088.37

Finding the Fourth Proportional to 50,749.33, 70,033.56 and 28,088.37

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Solution

The fourth proportional to 50,749.33, 70,033.56 and 28,088.37 is: 38,761.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,749.33 : 70,033.56 = 28,088.37 : x
  2. Step 2: Convert to fraction form
    50,749.33/70,033.56 = 28,088.37/x
  3. Step 3: Cross multiply
    50,749.33x = 70,033.56 × 28,088.37
  4. Step 4: Simplify right side
    50,749.33x = 1,967,128,055.09
  5. Step 5: Solve for x
    x = 1,967,128,055.09/50,749.33
  6. Step 6: Final answer
    x = 38,761.66

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Half scale
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Similar ratio
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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.