Home / 68,982.40-95,188.60-38,762.92

Finding the Fourth Proportional to 68,982.40, 95,188.60 and 38,762.92

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Solution

The fourth proportional to 68,982.40, 95,188.60 and 38,762.92 is: 53,488.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,982.40 : 95,188.60 = 38,762.92 : x
  2. Step 2: Convert to fraction form
    68,982.40/95,188.60 = 38,762.92/x
  3. Step 3: Cross multiply
    68,982.40x = 95,188.60 × 38,762.92
  4. Step 4: Simplify right side
    68,982.40x = 3,689,788,086.71
  5. Step 5: Solve for x
    x = 3,689,788,086.71/68,982.40
  6. Step 6: Final answer
    x = 53,488.83

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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.