Home / 82,206.82-113,375.19-56,753.92

Finding the Fourth Proportional to 82,206.82, 113,375.19 and 56,753.92

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Solution

The fourth proportional to 82,206.82, 113,375.19 and 56,753.92 is: 78,271.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,206.82 : 113,375.19 = 56,753.92 : x
  2. Step 2: Convert to fraction form
    82,206.82/113,375.19 = 56,753.92/x
  3. Step 3: Cross multiply
    82,206.82x = 113,375.19 × 56,753.92
  4. Step 4: Simplify right side
    82,206.82x = 6,434,486,463.24
  5. Step 5: Solve for x
    x = 6,434,486,463.24/82,206.82
  6. Step 6: Final answer
    x = 78,271.93

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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.