Home / 82,838.84-114,320.58-48,831.80

Finding the Fourth Proportional to 82,838.84, 114,320.58 and 48,831.80

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Solution

The fourth proportional to 82,838.84, 114,320.58 and 48,831.80 is: 67,389.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,838.84 : 114,320.58 = 48,831.80 : x
  2. Step 2: Convert to fraction form
    82,838.84/114,320.58 = 48,831.80/x
  3. Step 3: Cross multiply
    82,838.84x = 114,320.58 × 48,831.80
  4. Step 4: Simplify right side
    82,838.84x = 5,582,479,698.44
  5. Step 5: Solve for x
    x = 5,582,479,698.44/82,838.84
  6. Step 6: Final answer
    x = 67,389.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.