Home / 111,747.45-167,631.29-36,867.81

Finding the Fourth Proportional to 111,747.45, 167,631.29 and 36,867.81

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Solution

The fourth proportional to 111,747.45, 167,631.29 and 36,867.81 is: 55,305.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,747.45 : 167,631.29 = 36,867.81 : x
  2. Step 2: Convert to fraction form
    111,747.45/167,631.29 = 36,867.81/x
  3. Step 3: Cross multiply
    111,747.45x = 167,631.29 × 36,867.81
  4. Step 4: Simplify right side
    111,747.45x = 6,180,197,803.79
  5. Step 5: Solve for x
    x = 6,180,197,803.79/111,747.45
  6. Step 6: Final answer
    x = 55,305.05

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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.