Home / 111,738.63-167,607.51-45,177.96

Finding the Fourth Proportional to 111,738.63, 167,607.51 and 45,177.96

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Solution

The fourth proportional to 111,738.63, 167,607.51 and 45,177.96 is: 67,766.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,738.63 : 167,607.51 = 45,177.96 : x
  2. Step 2: Convert to fraction form
    111,738.63/167,607.51 = 45,177.96/x
  3. Step 3: Cross multiply
    111,738.63x = 167,607.51 × 45,177.96
  4. Step 4: Simplify right side
    111,738.63x = 7,572,165,382.48
  5. Step 5: Solve for x
    x = 7,572,165,382.48/111,738.63
  6. Step 6: Final answer
    x = 67,766.76

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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.