Home / 72,183.03-108,250.02-27,806.10

Finding the Fourth Proportional to 72,183.03, 108,250.02 and 27,806.10

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Solution

The fourth proportional to 72,183.03, 108,250.02 and 27,806.10 is: 41,699.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,183.03 : 108,250.02 = 27,806.10 : x
  2. Step 2: Convert to fraction form
    72,183.03/108,250.02 = 27,806.10/x
  3. Step 3: Cross multiply
    72,183.03x = 108,250.02 × 27,806.10
  4. Step 4: Simplify right side
    72,183.03x = 3,010,010,881.12
  5. Step 5: Solve for x
    x = 3,010,010,881.12/72,183.03
  6. Step 6: Final answer
    x = 41,699.70

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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.