Home / 50,968.55-70,334.21-28,309.01

Finding the Fourth Proportional to 50,968.55, 70,334.21 and 28,309.01

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Solution

The fourth proportional to 50,968.55, 70,334.21 and 28,309.01 is: 39,065.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,968.55 : 70,334.21 = 28,309.01 : x
  2. Step 2: Convert to fraction form
    50,968.55/70,334.21 = 28,309.01/x
  3. Step 3: Cross multiply
    50,968.55x = 70,334.21 × 28,309.01
  4. Step 4: Simplify right side
    50,968.55x = 1,991,091,573.33
  5. Step 5: Solve for x
    x = 1,991,091,573.33/50,968.55
  6. Step 6: Final answer
    x = 39,065.10

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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.