Home / 50,960.21-70,322.70-28,300.64

Finding the Fourth Proportional to 50,960.21, 70,322.70 and 28,300.64

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Solution

The fourth proportional to 50,960.21, 70,322.70 and 28,300.64 is: 39,053.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,960.21 : 70,322.70 = 28,300.64 : x
  2. Step 2: Convert to fraction form
    50,960.21/70,322.70 = 28,300.64/x
  3. Step 3: Cross multiply
    50,960.21x = 70,322.70 × 28,300.64
  4. Step 4: Simplify right side
    50,960.21x = 1,990,177,064.91
  5. Step 5: Solve for x
    x = 1,990,177,064.91/50,960.21
  6. Step 6: Final answer
    x = 39,053.55

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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.