Home / 81,831.43-112,930.11-46,028.35

Finding the Fourth Proportional to 81,831.43, 112,930.11 and 46,028.35

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Solution

The fourth proportional to 81,831.43, 112,930.11 and 46,028.35 is: 63,520.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,831.43 : 112,930.11 = 46,028.35 : x
  2. Step 2: Convert to fraction form
    81,831.43/112,930.11 = 46,028.35/x
  3. Step 3: Cross multiply
    81,831.43x = 112,930.11 × 46,028.35
  4. Step 4: Simplify right side
    81,831.43x = 5,197,986,628.62
  5. Step 5: Solve for x
    x = 5,197,986,628.62/81,831.43
  6. Step 6: Final answer
    x = 63,520.66

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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.