Home / 111,624.56-167,436.92-28,518.64

Finding the Fourth Proportional to 111,624.56, 167,436.92 and 28,518.64

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Solution

The fourth proportional to 111,624.56, 167,436.92 and 28,518.64 is: 42,777.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,624.56 : 167,436.92 = 28,518.64 : x
  2. Step 2: Convert to fraction form
    111,624.56/167,436.92 = 28,518.64/x
  3. Step 3: Cross multiply
    111,624.56x = 167,436.92 × 28,518.64
  4. Step 4: Simplify right side
    111,624.56x = 4,775,073,244.19
  5. Step 5: Solve for x
    x = 4,775,073,244.19/111,624.56
  6. Step 6: Final answer
    x = 42,777.98

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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.