Home / 72,562.66-108,816.03-28,183.57

Finding the Fourth Proportional to 72,562.66, 108,816.03 and 28,183.57

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Solution

The fourth proportional to 72,562.66, 108,816.03 and 28,183.57 is: 42,264.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,562.66 : 108,816.03 = 28,183.57 : x
  2. Step 2: Convert to fraction form
    72,562.66/108,816.03 = 28,183.57/x
  3. Step 3: Cross multiply
    72,562.66x = 108,816.03 × 28,183.57
  4. Step 4: Simplify right side
    72,562.66x = 3,066,824,198.63
  5. Step 5: Solve for x
    x = 3,066,824,198.63/72,562.66
  6. Step 6: Final answer
    x = 42,264.50

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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.