Home / 50,964.60-70,328.81-28,305.03

Finding the Fourth Proportional to 50,964.60, 70,328.81 and 28,305.03

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Solution

The fourth proportional to 50,964.60, 70,328.81 and 28,305.03 is: 39,059.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,964.60 : 70,328.81 = 28,305.03 : x
  2. Step 2: Convert to fraction form
    50,964.60/70,328.81 = 28,305.03/x
  3. Step 3: Cross multiply
    50,964.60x = 70,328.81 × 28,305.03
  4. Step 4: Simplify right side
    50,964.60x = 1,990,659,252.19
  5. Step 5: Solve for x
    x = 1,990,659,252.19/50,964.60
  6. Step 6: Final answer
    x = 39,059.64

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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.