Home / 82,957.23-114,481.09-45,231.48

Finding the Fourth Proportional to 82,957.23, 114,481.09 and 45,231.48

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Solution

The fourth proportional to 82,957.23, 114,481.09 and 45,231.48 is: 62,419.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,957.23 : 114,481.09 = 45,231.48 : x
  2. Step 2: Convert to fraction form
    82,957.23/114,481.09 = 45,231.48/x
  3. Step 3: Cross multiply
    82,957.23x = 114,481.09 × 45,231.48
  4. Step 4: Simplify right side
    82,957.23x = 5,178,149,132.71
  5. Step 5: Solve for x
    x = 5,178,149,132.71/82,957.23
  6. Step 6: Final answer
    x = 62,419.50

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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.