Home / 81,076.04-111,882.66-45,265

Finding the Fourth Proportional to 81,076.04, 111,882.66 and 45,265

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Solution

The fourth proportional to 81,076.04, 111,882.66 and 45,265 is: 62,464.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,076.04 : 111,882.66 = 45,265 : x
  2. Step 2: Convert to fraction form
    81,076.04/111,882.66 = 45,265/x
  3. Step 3: Cross multiply
    81,076.04x = 111,882.66 × 45,265
  4. Step 4: Simplify right side
    81,076.04x = 5,064,368,604.90
  5. Step 5: Solve for x
    x = 5,064,368,604.90/81,076.04
  6. Step 6: Final answer
    x = 62,464.43

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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.