Home / 105,919.41-146,170.53-57,521.46

Finding the Fourth Proportional to 105,919.41, 146,170.53 and 57,521.46

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Solution

The fourth proportional to 105,919.41, 146,170.53 and 57,521.46 is: 79,380.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,919.41 : 146,170.53 = 57,521.46 : x
  2. Step 2: Convert to fraction form
    105,919.41/146,170.53 = 57,521.46/x
  3. Step 3: Cross multiply
    105,919.41x = 146,170.53 × 57,521.46
  4. Step 4: Simplify right side
    105,919.41x = 8,407,942,294.57
  5. Step 5: Solve for x
    x = 8,407,942,294.57/105,919.41
  6. Step 6: Final answer
    x = 79,380.56

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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.