Home / 82,137.20-113,349.24-44,411.36

Finding the Fourth Proportional to 82,137.20, 113,349.24 and 44,411.36

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Solution

The fourth proportional to 82,137.20, 113,349.24 and 44,411.36 is: 61,287.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,137.20 : 113,349.24 = 44,411.36 : x
  2. Step 2: Convert to fraction form
    82,137.20/113,349.24 = 44,411.36/x
  3. Step 3: Cross multiply
    82,137.20x = 113,349.24 × 44,411.36
  4. Step 4: Simplify right side
    82,137.20x = 5,033,993,903.37
  5. Step 5: Solve for x
    x = 5,033,993,903.37/82,137.20
  6. Step 6: Final answer
    x = 61,287.62

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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.