Home / 126,121.63-189,093.74-58,581.96

Finding the Fourth Proportional to 126,121.63, 189,093.74 and 58,581.96

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Solution

The fourth proportional to 126,121.63, 189,093.74 and 58,581.96 is: 87,831.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,121.63 : 189,093.74 = 58,581.96 : x
  2. Step 2: Convert to fraction form
    126,121.63/189,093.74 = 58,581.96/x
  3. Step 3: Cross multiply
    126,121.63x = 189,093.74 × 58,581.96
  4. Step 4: Simplify right side
    126,121.63x = 11,077,480,674.55
  5. Step 5: Solve for x
    x = 11,077,480,674.55/126,121.63
  6. Step 6: Final answer
    x = 87,831.73

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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.