Home / 65,930.45-98,912.06-19,183.32

Finding the Fourth Proportional to 65,930.45, 98,912.06 and 19,183.32

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Solution

The fourth proportional to 65,930.45, 98,912.06 and 19,183.32 is: 28,779.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,930.45 : 98,912.06 = 19,183.32 : x
  2. Step 2: Convert to fraction form
    65,930.45/98,912.06 = 19,183.32/x
  3. Step 3: Cross multiply
    65,930.45x = 98,912.06 × 19,183.32
  4. Step 4: Simplify right side
    65,930.45x = 1,897,461,602.92
  5. Step 5: Solve for x
    x = 1,897,461,602.92/65,930.45
  6. Step 6: Final answer
    x = 28,779.75

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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.