Home / 82,030.86-123,052.32-29,440.80

Finding the Fourth Proportional to 82,030.86, 123,052.32 and 29,440.80

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Solution

The fourth proportional to 82,030.86, 123,052.32 and 29,440.80 is: 44,163.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,030.86 : 123,052.32 = 29,440.80 : x
  2. Step 2: Convert to fraction form
    82,030.86/123,052.32 = 29,440.80/x
  3. Step 3: Cross multiply
    82,030.86x = 123,052.32 × 29,440.80
  4. Step 4: Simplify right side
    82,030.86x = 3,622,758,742.66
  5. Step 5: Solve for x
    x = 3,622,758,742.66/82,030.86
  6. Step 6: Final answer
    x = 44,163.36

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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.