Home / 105,818.22-146,028.74-58,072.37

Finding the Fourth Proportional to 105,818.22, 146,028.74 and 58,072.37

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Solution

The fourth proportional to 105,818.22, 146,028.74 and 58,072.37 is: 80,139.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,818.22 : 146,028.74 = 58,072.37 : x
  2. Step 2: Convert to fraction form
    105,818.22/146,028.74 = 58,072.37/x
  3. Step 3: Cross multiply
    105,818.22x = 146,028.74 × 58,072.37
  4. Step 4: Simplify right side
    105,818.22x = 8,480,233,999.41
  5. Step 5: Solve for x
    x = 8,480,233,999.41/105,818.22
  6. Step 6: Final answer
    x = 80,139.64

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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.