Home / 104,305.29-143,940.93-56,558.52

Finding the Fourth Proportional to 104,305.29, 143,940.93 and 56,558.52

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Solution

The fourth proportional to 104,305.29, 143,940.93 and 56,558.52 is: 78,050.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,305.29 : 143,940.93 = 56,558.52 : x
  2. Step 2: Convert to fraction form
    104,305.29/143,940.93 = 56,558.52/x
  3. Step 3: Cross multiply
    104,305.29x = 143,940.93 × 56,558.52
  4. Step 4: Simplify right side
    104,305.29x = 8,141,085,968.22
  5. Step 5: Solve for x
    x = 8,141,085,968.22/104,305.29
  6. Step 6: Final answer
    x = 78,050.56

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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.