Home / 70,803.07-106,204.11-28,682.53

Finding the Fourth Proportional to 70,803.07, 106,204.11 and 28,682.53

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Solution

The fourth proportional to 70,803.07, 106,204.11 and 28,682.53 is: 43,023.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,803.07 : 106,204.11 = 28,682.53 : x
  2. Step 2: Convert to fraction form
    70,803.07/106,204.11 = 28,682.53/x
  3. Step 3: Cross multiply
    70,803.07x = 106,204.11 × 28,682.53
  4. Step 4: Simplify right side
    70,803.07x = 3,046,202,571.20
  5. Step 5: Solve for x
    x = 3,046,202,571.20/70,803.07
  6. Step 6: Final answer
    x = 43,023.59

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.