Home / 65,849.76-98,784.88-21,466.20

Finding the Fourth Proportional to 65,849.76, 98,784.88 and 21,466.20

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Solution

The fourth proportional to 65,849.76, 98,784.88 and 21,466.20 is: 32,202.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,849.76 : 98,784.88 = 21,466.20 : x
  2. Step 2: Convert to fraction form
    65,849.76/98,784.88 = 21,466.20/x
  3. Step 3: Cross multiply
    65,849.76x = 98,784.88 × 21,466.20
  4. Step 4: Simplify right side
    65,849.76x = 2,120,535,991.06
  5. Step 5: Solve for x
    x = 2,120,535,991.06/65,849.76
  6. Step 6: Final answer
    x = 32,202.64

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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.