Home / 82,634.99-123,854.07-43,181.51

Finding the Fourth Proportional to 82,634.99, 123,854.07 and 43,181.51

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Solution

The fourth proportional to 82,634.99, 123,854.07 and 43,181.51 is: 64,720.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,634.99 : 123,854.07 = 43,181.51 : x
  2. Step 2: Convert to fraction form
    82,634.99/123,854.07 = 43,181.51/x
  3. Step 3: Cross multiply
    82,634.99x = 123,854.07 × 43,181.51
  4. Step 4: Simplify right side
    82,634.99x = 5,348,205,762.25
  5. Step 5: Solve for x
    x = 5,348,205,762.25/82,634.99
  6. Step 6: Final answer
    x = 64,720.84

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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.