Home / 106,537.27-147,029.73-61,231.06

Finding the Fourth Proportional to 106,537.27, 147,029.73 and 61,231.06

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Solution

The fourth proportional to 106,537.27, 147,029.73 and 61,231.06 is: 84,503.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,537.27 : 147,029.73 = 61,231.06 : x
  2. Step 2: Convert to fraction form
    106,537.27/147,029.73 = 61,231.06/x
  3. Step 3: Cross multiply
    106,537.27x = 147,029.73 × 61,231.06
  4. Step 4: Simplify right side
    106,537.27x = 9,002,786,219.41
  5. Step 5: Solve for x
    x = 9,002,786,219.41/106,537.27
  6. Step 6: Final answer
    x = 84,503.63

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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.