Home / 104,940.72-144,816.53-57,194.46

Finding the Fourth Proportional to 104,940.72, 144,816.53 and 57,194.46

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Solution

The fourth proportional to 104,940.72, 144,816.53 and 57,194.46 is: 78,927.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,940.72 : 144,816.53 = 57,194.46 : x
  2. Step 2: Convert to fraction form
    104,940.72/144,816.53 = 57,194.46/x
  3. Step 3: Cross multiply
    104,940.72x = 144,816.53 × 57,194.46
  4. Step 4: Simplify right side
    104,940.72x = 8,282,702,946.45
  5. Step 5: Solve for x
    x = 8,282,702,946.45/104,940.72
  6. Step 6: Final answer
    x = 78,927.45

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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.