Home / 111,604.36-167,319.02-52,409.56

Finding the Fourth Proportional to 111,604.36, 167,319.02 and 52,409.56

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Solution

The fourth proportional to 111,604.36, 167,319.02 and 52,409.56 is: 78,573.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,604.36 : 167,319.02 = 52,409.56 : x
  2. Step 2: Convert to fraction form
    111,604.36/167,319.02 = 52,409.56/x
  3. Step 3: Cross multiply
    111,604.36x = 167,319.02 × 52,409.56
  4. Step 4: Simplify right side
    111,604.36x = 8,769,116,217.83
  5. Step 5: Solve for x
    x = 8,769,116,217.83/111,604.36
  6. Step 6: Final answer
    x = 78,573.24

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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.