Home / 84,257.89-116,276.68-47,957.56

Finding the Fourth Proportional to 84,257.89, 116,276.68 and 47,957.56

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Solution

The fourth proportional to 84,257.89, 116,276.68 and 47,957.56 is: 66,181.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,257.89 : 116,276.68 = 47,957.56 : x
  2. Step 2: Convert to fraction form
    84,257.89/116,276.68 = 47,957.56/x
  3. Step 3: Cross multiply
    84,257.89x = 116,276.68 × 47,957.56
  4. Step 4: Simplify right side
    84,257.89x = 5,576,345,617.91
  5. Step 5: Solve for x
    x = 5,576,345,617.91/84,257.89
  6. Step 6: Final answer
    x = 66,181.88

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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.