Home / 111,635.93-167,459.36-45,067.75

Finding the Fourth Proportional to 111,635.93, 167,459.36 and 45,067.75

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Solution

The fourth proportional to 111,635.93, 167,459.36 and 45,067.75 is: 67,603.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,635.93 : 167,459.36 = 45,067.75 : x
  2. Step 2: Convert to fraction form
    111,635.93/167,459.36 = 45,067.75/x
  3. Step 3: Cross multiply
    111,635.93x = 167,459.36 × 45,067.75
  4. Step 4: Simplify right side
    111,635.93x = 7,547,016,265.66
  5. Step 5: Solve for x
    x = 7,547,016,265.66/111,635.93
  6. Step 6: Final answer
    x = 67,603.83

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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.