Home / 126,021.56-189,069.28-37,277.44

Finding the Fourth Proportional to 126,021.56, 189,069.28 and 37,277.44

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Solution

The fourth proportional to 126,021.56, 189,069.28 and 37,277.44 is: 55,927.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,021.56 : 189,069.28 = 37,277.44 : x
  2. Step 2: Convert to fraction form
    126,021.56/189,069.28 = 37,277.44/x
  3. Step 3: Cross multiply
    126,021.56x = 189,069.28 × 37,277.44
  4. Step 4: Simplify right side
    126,021.56x = 7,048,018,741.04
  5. Step 5: Solve for x
    x = 7,048,018,741.04/126,021.56
  6. Step 6: Final answer
    x = 55,927.09

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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.