Home / 106,338.78-146,768.70-61,047.36

Finding the Fourth Proportional to 106,338.78, 146,768.70 and 61,047.36

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Solution

The fourth proportional to 106,338.78, 146,768.70 and 61,047.36 is: 84,257.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,338.78 : 146,768.70 = 61,047.36 : x
  2. Step 2: Convert to fraction form
    106,338.78/146,768.70 = 61,047.36/x
  3. Step 3: Cross multiply
    106,338.78x = 146,768.70 × 61,047.36
  4. Step 4: Simplify right side
    106,338.78x = 8,959,841,665.63
  5. Step 5: Solve for x
    x = 8,959,841,665.63/106,338.78
  6. Step 6: Final answer
    x = 84,257.52

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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.