Home / 67,245.13-92,798.54-40,388.09

Finding the Fourth Proportional to 67,245.13, 92,798.54 and 40,388.09

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Solution

The fourth proportional to 67,245.13, 92,798.54 and 40,388.09 is: 55,735.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,245.13 : 92,798.54 = 40,388.09 : x
  2. Step 2: Convert to fraction form
    67,245.13/92,798.54 = 40,388.09/x
  3. Step 3: Cross multiply
    67,245.13x = 92,798.54 × 40,388.09
  4. Step 4: Simplify right side
    67,245.13x = 3,747,955,966.90
  5. Step 5: Solve for x
    x = 3,747,955,966.90/67,245.13
  6. Step 6: Final answer
    x = 55,735.73

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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.