Home / 111,700.56-167,633.90-45,141.26

Finding the Fourth Proportional to 111,700.56, 167,633.90 and 45,141.26

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Solution

The fourth proportional to 111,700.56, 167,633.90 and 45,141.26 is: 67,745.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,700.56 : 167,633.90 = 45,141.26 : x
  2. Step 2: Convert to fraction form
    111,700.56/167,633.90 = 45,141.26/x
  3. Step 3: Cross multiply
    111,700.56x = 167,633.90 × 45,141.26
  4. Step 4: Simplify right side
    111,700.56x = 7,567,205,464.71
  5. Step 5: Solve for x
    x = 7,567,205,464.71/111,700.56
  6. Step 6: Final answer
    x = 67,745.46

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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.