Home / 82,832.40-124,269.30-26,677.80

Finding the Fourth Proportional to 82,832.40, 124,269.30 and 26,677.80

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Solution

The fourth proportional to 82,832.40, 124,269.30 and 26,677.80 is: 40,023.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,832.40 : 124,269.30 = 26,677.80 : x
  2. Step 2: Convert to fraction form
    82,832.40/124,269.30 = 26,677.80/x
  3. Step 3: Cross multiply
    82,832.40x = 124,269.30 × 26,677.80
  4. Step 4: Simplify right side
    82,832.40x = 3,315,231,531.54
  5. Step 5: Solve for x
    x = 3,315,231,531.54/82,832.40
  6. Step 6: Final answer
    x = 40,023.37

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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.