Home / 82,158.94-113,387.97-48,168.87

Finding the Fourth Proportional to 82,158.94, 113,387.97 and 48,168.87

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Solution

The fourth proportional to 82,158.94, 113,387.97 and 48,168.87 is: 66,478.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,158.94 : 113,387.97 = 48,168.87 : x
  2. Step 2: Convert to fraction form
    82,158.94/113,387.97 = 48,168.87/x
  3. Step 3: Cross multiply
    82,158.94x = 113,387.97 × 48,168.87
  4. Step 4: Simplify right side
    82,158.94x = 5,461,770,141.92
  5. Step 5: Solve for x
    x = 5,461,770,141.92/82,158.94
  6. Step 6: Final answer
    x = 66,478.10

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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.