Home / 75,231.45-112,680.77-30,723.26

Finding the Fourth Proportional to 75,231.45, 112,680.77 and 30,723.26

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Solution

The fourth proportional to 75,231.45, 112,680.77 and 30,723.26 is: 46,016.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,231.45 : 112,680.77 = 30,723.26 : x
  2. Step 2: Convert to fraction form
    75,231.45/112,680.77 = 30,723.26/x
  3. Step 3: Cross multiply
    75,231.45x = 112,680.77 × 30,723.26
  4. Step 4: Simplify right side
    75,231.45x = 3,461,919,876.69
  5. Step 5: Solve for x
    x = 3,461,919,876.69/75,231.45
  6. Step 6: Final answer
    x = 46,016.92

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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.