Home / 111,382.34-167,104.36-51,429.12

Finding the Fourth Proportional to 111,382.34, 167,104.36 and 51,429.12

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Solution

The fourth proportional to 111,382.34, 167,104.36 and 51,429.12 is: 77,157.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,382.34 : 167,104.36 = 51,429.12 : x
  2. Step 2: Convert to fraction form
    111,382.34/167,104.36 = 51,429.12/x
  3. Step 3: Cross multiply
    111,382.34x = 167,104.36 × 51,429.12
  4. Step 4: Simplify right side
    111,382.34x = 8,594,030,182.96
  5. Step 5: Solve for x
    x = 8,594,030,182.96/111,382.34
  6. Step 6: Final answer
    x = 77,157.92

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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.