Home / 65,849.24-98,779.86-21,464.60

Finding the Fourth Proportional to 65,849.24, 98,779.86 and 21,464.60

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Solution

The fourth proportional to 65,849.24, 98,779.86 and 21,464.60 is: 32,198.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,849.24 : 98,779.86 = 21,464.60 : x
  2. Step 2: Convert to fraction form
    65,849.24/98,779.86 = 21,464.60/x
  3. Step 3: Cross multiply
    65,849.24x = 98,779.86 × 21,464.60
  4. Step 4: Simplify right side
    65,849.24x = 2,120,270,182.96
  5. Step 5: Solve for x
    x = 2,120,270,182.96/65,849.24
  6. Step 6: Final answer
    x = 32,198.86

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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.