Home / 126,066.30-189,121.92-41,831.52

Finding the Fourth Proportional to 126,066.30, 189,121.92 and 41,831.52

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Solution

The fourth proportional to 126,066.30, 189,121.92 and 41,831.52 is: 62,754.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,066.30 : 189,121.92 = 41,831.52 : x
  2. Step 2: Convert to fraction form
    126,066.30/189,121.92 = 41,831.52/x
  3. Step 3: Cross multiply
    126,066.30x = 189,121.92 × 41,831.52
  4. Step 4: Simplify right side
    126,066.30x = 7,911,257,378.92
  5. Step 5: Solve for x
    x = 7,911,257,378.92/126,066.30
  6. Step 6: Final answer
    x = 62,754.74

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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.