Home / 100,831.46-151,340.71-50,946.59

Finding the Fourth Proportional to 100,831.46, 151,340.71 and 50,946.59

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Solution

The fourth proportional to 100,831.46, 151,340.71 and 50,946.59 is: 76,467.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,831.46 : 151,340.71 = 50,946.59 : x
  2. Step 2: Convert to fraction form
    100,831.46/151,340.71 = 50,946.59/x
  3. Step 3: Cross multiply
    100,831.46x = 151,340.71 × 50,946.59
  4. Step 4: Simplify right side
    100,831.46x = 7,710,292,786.14
  5. Step 5: Solve for x
    x = 7,710,292,786.14/100,831.46
  6. Step 6: Final answer
    x = 76,467.13

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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.