Home / 103,481.96-142,804.26-58,769

Finding the Fourth Proportional to 103,481.96, 142,804.26 and 58,769

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Solution

The fourth proportional to 103,481.96, 142,804.26 and 58,769 is: 81,100.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,481.96 : 142,804.26 = 58,769 : x
  2. Step 2: Convert to fraction form
    103,481.96/142,804.26 = 58,769/x
  3. Step 3: Cross multiply
    103,481.96x = 142,804.26 × 58,769
  4. Step 4: Simplify right side
    103,481.96x = 8,392,463,555.94
  5. Step 5: Solve for x
    x = 8,392,463,555.94/103,481.96
  6. Step 6: Final answer
    x = 81,100.74

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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.