Home / 126,020.70-189,067.96-37,276.57

Finding the Fourth Proportional to 126,020.70, 189,067.96 and 37,276.57

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Solution

The fourth proportional to 126,020.70, 189,067.96 and 37,276.57 is: 55,925.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,020.70 : 189,067.96 = 37,276.57 : x
  2. Step 2: Convert to fraction form
    126,020.70/189,067.96 = 37,276.57/x
  3. Step 3: Cross multiply
    126,020.70x = 189,067.96 × 37,276.57
  4. Step 4: Simplify right side
    126,020.70x = 7,047,804,479.84
  5. Step 5: Solve for x
    x = 7,047,804,479.84/126,020.70
  6. Step 6: Final answer
    x = 55,925.77

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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.