Home / 104,218.41-143,765.92-63,395.01

Finding the Fourth Proportional to 104,218.41, 143,765.92 and 63,395.01

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Solution

The fourth proportional to 104,218.41, 143,765.92 and 63,395.01 is: 87,451.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,218.41 : 143,765.92 = 63,395.01 : x
  2. Step 2: Convert to fraction form
    104,218.41/143,765.92 = 63,395.01/x
  3. Step 3: Cross multiply
    104,218.41x = 143,765.92 × 63,395.01
  4. Step 4: Simplify right side
    104,218.41x = 9,114,042,419.64
  5. Step 5: Solve for x
    x = 9,114,042,419.64/104,218.41
  6. Step 6: Final answer
    x = 87,451.37

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.