Home / 65,486.28-98,228.70-39,198.36

Finding the Fourth Proportional to 65,486.28, 98,228.70 and 39,198.36

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Solution

The fourth proportional to 65,486.28, 98,228.70 and 39,198.36 is: 58,797.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,486.28 : 98,228.70 = 39,198.36 : x
  2. Step 2: Convert to fraction form
    65,486.28/98,228.70 = 39,198.36/x
  3. Step 3: Cross multiply
    65,486.28x = 98,228.70 × 39,198.36
  4. Step 4: Simplify right side
    65,486.28x = 3,850,403,944.93
  5. Step 5: Solve for x
    x = 3,850,403,944.93/65,486.28
  6. Step 6: Final answer
    x = 58,797.11

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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.