Home / 103,744.41-143,171.87-58,422.42

Finding the Fourth Proportional to 103,744.41, 143,171.87 and 58,422.42

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Solution

The fourth proportional to 103,744.41, 143,171.87 and 58,422.42 is: 80,625.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,744.41 : 143,171.87 = 58,422.42 : x
  2. Step 2: Convert to fraction form
    103,744.41/143,171.87 = 58,422.42/x
  3. Step 3: Cross multiply
    103,744.41x = 143,171.87 × 58,422.42
  4. Step 4: Simplify right side
    103,744.41x = 8,364,446,829.21
  5. Step 5: Solve for x
    x = 8,364,446,829.21/103,744.41
  6. Step 6: Final answer
    x = 80,625.52

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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.