Home / 67,382.47-92,999.91-40,528.54

Finding the Fourth Proportional to 67,382.47, 92,999.91 and 40,528.54

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Solution

The fourth proportional to 67,382.47, 92,999.91 and 40,528.54 is: 55,936.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,382.47 : 92,999.91 = 40,528.54 : x
  2. Step 2: Convert to fraction form
    67,382.47/92,999.91 = 40,528.54/x
  3. Step 3: Cross multiply
    67,382.47x = 92,999.91 × 40,528.54
  4. Step 4: Simplify right side
    67,382.47x = 3,769,150,572.43
  5. Step 5: Solve for x
    x = 3,769,150,572.43/67,382.47
  6. Step 6: Final answer
    x = 55,936.66

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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.