Home / 82,180.08-113,599.80-73,315.44

Finding the Fourth Proportional to 82,180.08, 113,599.80 and 73,315.44

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Solution

The fourth proportional to 82,180.08, 113,599.80 and 73,315.44 is: 101,345.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,180.08 : 113,599.80 = 73,315.44 : x
  2. Step 2: Convert to fraction form
    82,180.08/113,599.80 = 73,315.44/x
  3. Step 3: Cross multiply
    82,180.08x = 113,599.80 × 73,315.44
  4. Step 4: Simplify right side
    82,180.08x = 8,328,619,320.91
  5. Step 5: Solve for x
    x = 8,328,619,320.91/82,180.08
  6. Step 6: Final answer
    x = 101,345.96

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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.