Home / 106,723.37-147,309.03-70,451.37

Finding the Fourth Proportional to 106,723.37, 147,309.03 and 70,451.37

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Solution

The fourth proportional to 106,723.37, 147,309.03 and 70,451.37 is: 97,243.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,723.37 : 147,309.03 = 70,451.37 : x
  2. Step 2: Convert to fraction form
    106,723.37/147,309.03 = 70,451.37/x
  3. Step 3: Cross multiply
    106,723.37x = 147,309.03 × 70,451.37
  4. Step 4: Simplify right side
    106,723.37x = 10,378,122,976.87
  5. Step 5: Solve for x
    x = 10,378,122,976.87/106,723.37
  6. Step 6: Final answer
    x = 97,243.21

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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.