Home / 121,822.21-182,610.64-50,784.18

Finding the Fourth Proportional to 121,822.21, 182,610.64 and 50,784.18

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Solution

The fourth proportional to 121,822.21, 182,610.64 and 50,784.18 is: 76,125.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,822.21 : 182,610.64 = 50,784.18 : x
  2. Step 2: Convert to fraction form
    121,822.21/182,610.64 = 50,784.18/x
  3. Step 3: Cross multiply
    121,822.21x = 182,610.64 × 50,784.18
  4. Step 4: Simplify right side
    121,822.21x = 9,273,731,611.68
  5. Step 5: Solve for x
    x = 9,273,731,611.68/121,822.21
  6. Step 6: Final answer
    x = 76,125.13

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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.