Home / 50,861.32-70,195.88-28,205.35

Finding the Fourth Proportional to 50,861.32, 70,195.88 and 28,205.35

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Solution

The fourth proportional to 50,861.32, 70,195.88 and 28,205.35 is: 38,927.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,861.32 : 70,195.88 = 28,205.35 : x
  2. Step 2: Convert to fraction form
    50,861.32/70,195.88 = 28,205.35/x
  3. Step 3: Cross multiply
    50,861.32x = 70,195.88 × 28,205.35
  4. Step 4: Simplify right side
    50,861.32x = 1,979,899,258.98
  5. Step 5: Solve for x
    x = 1,979,899,258.98/50,861.32
  6. Step 6: Final answer
    x = 38,927.41

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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.