Home / 82,869.26-114,359.37-45,143.42

Finding the Fourth Proportional to 82,869.26, 114,359.37 and 45,143.42

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Solution

The fourth proportional to 82,869.26, 114,359.37 and 45,143.42 is: 62,297.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,869.26 : 114,359.37 = 45,143.42 : x
  2. Step 2: Convert to fraction form
    82,869.26/114,359.37 = 45,143.42/x
  3. Step 3: Cross multiply
    82,869.26x = 114,359.37 × 45,143.42
  4. Step 4: Simplify right side
    82,869.26x = 5,162,573,070.85
  5. Step 5: Solve for x
    x = 5,162,573,070.85/82,869.26
  6. Step 6: Final answer
    x = 62,297.81

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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.