Home / 68,212.48-94,133.40-39,537.67

Finding the Fourth Proportional to 68,212.48, 94,133.40 and 39,537.67

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Solution

The fourth proportional to 68,212.48, 94,133.40 and 39,537.67 is: 54,562.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,212.48 : 94,133.40 = 39,537.67 : x
  2. Step 2: Convert to fraction form
    68,212.48/94,133.40 = 39,537.67/x
  3. Step 3: Cross multiply
    68,212.48x = 94,133.40 × 39,537.67
  4. Step 4: Simplify right side
    68,212.48x = 3,721,815,305.18
  5. Step 5: Solve for x
    x = 3,721,815,305.18/68,212.48
  6. Step 6: Final answer
    x = 54,562.09

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.