Home / 104,281.36-143,906.40-58,958.56

Finding the Fourth Proportional to 104,281.36, 143,906.40 and 58,958.56

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Solution

The fourth proportional to 104,281.36, 143,906.40 and 58,958.56 is: 81,361.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,281.36 : 143,906.40 = 58,958.56 : x
  2. Step 2: Convert to fraction form
    104,281.36/143,906.40 = 58,958.56/x
  3. Step 3: Cross multiply
    104,281.36x = 143,906.40 × 58,958.56
  4. Step 4: Simplify right side
    104,281.36x = 8,484,514,118.78
  5. Step 5: Solve for x
    x = 8,484,514,118.78/104,281.36
  6. Step 6: Final answer
    x = 81,361.75

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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.