Home / 50,765.06-70,054.80-28,104.05

Finding the Fourth Proportional to 50,765.06, 70,054.80 and 28,104.05

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Solution

The fourth proportional to 50,765.06, 70,054.80 and 28,104.05 is: 38,783.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,765.06 : 70,054.80 = 28,104.05 : x
  2. Step 2: Convert to fraction form
    50,765.06/70,054.80 = 28,104.05/x
  3. Step 3: Cross multiply
    50,765.06x = 70,054.80 × 28,104.05
  4. Step 4: Simplify right side
    50,765.06x = 1,968,823,601.94
  5. Step 5: Solve for x
    x = 1,968,823,601.94/50,765.06
  6. Step 6: Final answer
    x = 38,783.04

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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.