Home / 50,765.08-70,056.39-28,106.14

Finding the Fourth Proportional to 50,765.08, 70,056.39 and 28,106.14

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Solution

The fourth proportional to 50,765.08, 70,056.39 and 28,106.14 is: 38,786.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,765.08 : 70,056.39 = 28,106.14 : x
  2. Step 2: Convert to fraction form
    50,765.08/70,056.39 = 28,106.14/x
  3. Step 3: Cross multiply
    50,765.08x = 70,056.39 × 28,106.14
  4. Step 4: Simplify right side
    50,765.08x = 1,969,014,705.23
  5. Step 5: Solve for x
    x = 1,969,014,705.23/50,765.08
  6. Step 6: Final answer
    x = 38,786.79

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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.