Home / 65,834.40-98,749.38-26,380.92

Finding the Fourth Proportional to 65,834.40, 98,749.38 and 26,380.92

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Solution

The fourth proportional to 65,834.40, 98,749.38 and 26,380.92 is: 39,570.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,834.40 : 98,749.38 = 26,380.92 : x
  2. Step 2: Convert to fraction form
    65,834.40/98,749.38 = 26,380.92/x
  3. Step 3: Cross multiply
    65,834.40x = 98,749.38 × 26,380.92
  4. Step 4: Simplify right side
    65,834.40x = 2,605,099,493.83
  5. Step 5: Solve for x
    x = 2,605,099,493.83/65,834.40
  6. Step 6: Final answer
    x = 39,570.49

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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.