Home / 82,632.99-123,851.07-43,179.51

Finding the Fourth Proportional to 82,632.99, 123,851.07 and 43,179.51

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Solution

The fourth proportional to 82,632.99, 123,851.07 and 43,179.51 is: 64,717.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,632.99 : 123,851.07 = 43,179.51 : x
  2. Step 2: Convert to fraction form
    82,632.99/123,851.07 = 43,179.51/x
  3. Step 3: Cross multiply
    82,632.99x = 123,851.07 × 43,179.51
  4. Step 4: Simplify right side
    82,632.99x = 5,347,828,515.58
  5. Step 5: Solve for x
    x = 5,347,828,515.58/82,632.99
  6. Step 6: Final answer
    x = 64,717.84

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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.