Home / 82,739.08-123,996.84-59,313.88

Finding the Fourth Proportional to 82,739.08, 123,996.84 and 59,313.88

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Solution

The fourth proportional to 82,739.08, 123,996.84 and 59,313.88 is: 88,890.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,739.08 : 123,996.84 = 59,313.88 : x
  2. Step 2: Convert to fraction form
    82,739.08/123,996.84 = 59,313.88/x
  3. Step 3: Cross multiply
    82,739.08x = 123,996.84 × 59,313.88
  4. Step 4: Simplify right side
    82,739.08x = 7,354,733,688.14
  5. Step 5: Solve for x
    x = 7,354,733,688.14/82,739.08
  6. Step 6: Final answer
    x = 88,890.69

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.