Home / 50,853.05-70,181.36-28,199.15

Finding the Fourth Proportional to 50,853.05, 70,181.36 and 28,199.15

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Solution

The fourth proportional to 50,853.05, 70,181.36 and 28,199.15 is: 38,917.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,853.05 : 70,181.36 = 28,199.15 : x
  2. Step 2: Convert to fraction form
    50,853.05/70,181.36 = 28,199.15/x
  3. Step 3: Cross multiply
    50,853.05x = 70,181.36 × 28,199.15
  4. Step 4: Simplify right side
    50,853.05x = 1,979,054,574.87
  5. Step 5: Solve for x
    x = 1,979,054,574.87/50,853.05
  6. Step 6: Final answer
    x = 38,917.12

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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.