Home / 108,831.74-163,231.07-36,783.72

Finding the Fourth Proportional to 108,831.74, 163,231.07 and 36,783.72

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Solution

The fourth proportional to 108,831.74, 163,231.07 and 36,783.72 is: 55,169.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,831.74 : 163,231.07 = 36,783.72 : x
  2. Step 2: Convert to fraction form
    108,831.74/163,231.07 = 36,783.72/x
  3. Step 3: Cross multiply
    108,831.74x = 163,231.07 × 36,783.72
  4. Step 4: Simplify right side
    108,831.74x = 6,004,245,790.26
  5. Step 5: Solve for x
    x = 6,004,245,790.26/108,831.74
  6. Step 6: Final answer
    x = 55,169.99

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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.