Home / 82,864.12-114,352.68-45,137.56

Finding the Fourth Proportional to 82,864.12, 114,352.68 and 45,137.56

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Solution

The fourth proportional to 82,864.12, 114,352.68 and 45,137.56 is: 62,289.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,864.12 : 114,352.68 = 45,137.56 : x
  2. Step 2: Convert to fraction form
    82,864.12/114,352.68 = 45,137.56/x
  3. Step 3: Cross multiply
    82,864.12x = 114,352.68 × 45,137.56
  4. Step 4: Simplify right side
    82,864.12x = 5,161,600,954.66
  5. Step 5: Solve for x
    x = 5,161,600,954.66/82,864.12
  6. Step 6: Final answer
    x = 62,289.94

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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.