Home / 92,570.12-138,826.44-33,398.09

Finding the Fourth Proportional to 92,570.12, 138,826.44 and 33,398.09

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Solution

The fourth proportional to 92,570.12, 138,826.44 and 33,398.09 is: 50,086.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,570.12 : 138,826.44 = 33,398.09 : x
  2. Step 2: Convert to fraction form
    92,570.12/138,826.44 = 33,398.09/x
  3. Step 3: Cross multiply
    92,570.12x = 138,826.44 × 33,398.09
  4. Step 4: Simplify right side
    92,570.12x = 4,636,537,243.37
  5. Step 5: Solve for x
    x = 4,636,537,243.37/92,570.12
  6. Step 6: Final answer
    x = 50,086.76

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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.