Home / 51,976.20-77,831.46-28,576.92

Finding the Fourth Proportional to 51,976.20, 77,831.46 and 28,576.92

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Solution

The fourth proportional to 51,976.20, 77,831.46 and 28,576.92 is: 42,792.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,976.20 : 77,831.46 = 28,576.92 : x
  2. Step 2: Convert to fraction form
    51,976.20/77,831.46 = 28,576.92/x
  3. Step 3: Cross multiply
    51,976.20x = 77,831.46 × 28,576.92
  4. Step 4: Simplify right side
    51,976.20x = 2,224,183,405.90
  5. Step 5: Solve for x
    x = 2,224,183,405.90/51,976.20
  6. Step 6: Final answer
    x = 42,792.34

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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.