Home / 106,321.22-146,729.90-58,574.55

Finding the Fourth Proportional to 106,321.22, 146,729.90 and 58,574.55

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Solution

The fourth proportional to 106,321.22, 146,729.90 and 58,574.55 is: 80,836.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,321.22 : 146,729.90 = 58,574.55 : x
  2. Step 2: Convert to fraction form
    106,321.22/146,729.90 = 58,574.55/x
  3. Step 3: Cross multiply
    106,321.22x = 146,729.90 × 58,574.55
  4. Step 4: Simplify right side
    106,321.22x = 8,594,637,571.17
  5. Step 5: Solve for x
    x = 8,594,637,571.17/106,321.22
  6. Step 6: Final answer
    x = 80,836.53

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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.