Home / 106,976.55-147,632.26-59,229.90

Finding the Fourth Proportional to 106,976.55, 147,632.26 and 59,229.90

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Solution

The fourth proportional to 106,976.55, 147,632.26 and 59,229.90 is: 81,739.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,976.55 : 147,632.26 = 59,229.90 : x
  2. Step 2: Convert to fraction form
    106,976.55/147,632.26 = 59,229.90/x
  3. Step 3: Cross multiply
    106,976.55x = 147,632.26 × 59,229.90
  4. Step 4: Simplify right side
    106,976.55x = 8,744,243,515.88
  5. Step 5: Solve for x
    x = 8,744,243,515.88/106,976.55
  6. Step 6: Final answer
    x = 81,739.81

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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.