Home / 121,742.67-182,478.31-50,625.48

Finding the Fourth Proportional to 121,742.67, 182,478.31 and 50,625.48

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Solution

The fourth proportional to 121,742.67, 182,478.31 and 50,625.48 is: 75,881.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,742.67 : 182,478.31 = 50,625.48 : x
  2. Step 2: Convert to fraction form
    121,742.67/182,478.31 = 50,625.48/x
  3. Step 3: Cross multiply
    121,742.67x = 182,478.31 × 50,625.48
  4. Step 4: Simplify right side
    121,742.67x = 9,238,052,033.34
  5. Step 5: Solve for x
    x = 9,238,052,033.34/121,742.67
  6. Step 6: Final answer
    x = 75,881.79

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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.