Home / 65,571.57-98,357.18-28,107.36

Finding the Fourth Proportional to 65,571.57, 98,357.18 and 28,107.36

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Solution

The fourth proportional to 65,571.57, 98,357.18 and 28,107.36 is: 42,160.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,571.57 : 98,357.18 = 28,107.36 : x
  2. Step 2: Convert to fraction form
    65,571.57/98,357.18 = 28,107.36/x
  3. Step 3: Cross multiply
    65,571.57x = 98,357.18 × 28,107.36
  4. Step 4: Simplify right side
    65,571.57x = 2,764,560,526.31
  5. Step 5: Solve for x
    x = 2,764,560,526.31/65,571.57
  6. Step 6: Final answer
    x = 42,160.96

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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.