Home / 119,729.28-179,579.24-30,975.44

Finding the Fourth Proportional to 119,729.28, 179,579.24 and 30,975.44

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Solution

The fourth proportional to 119,729.28, 179,579.24 and 30,975.44 is: 46,459.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,729.28 : 179,579.24 = 30,975.44 : x
  2. Step 2: Convert to fraction form
    119,729.28/179,579.24 = 30,975.44/x
  3. Step 3: Cross multiply
    119,729.28x = 179,579.24 × 30,975.44
  4. Step 4: Simplify right side
    119,729.28x = 5,562,545,973.87
  5. Step 5: Solve for x
    x = 5,562,545,973.87/119,729.28
  6. Step 6: Final answer
    x = 46,459.36

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.