Home / 84,113.25-116,076.21-45,872.87

Finding the Fourth Proportional to 84,113.25, 116,076.21 and 45,872.87

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Solution

The fourth proportional to 84,113.25, 116,076.21 and 45,872.87 is: 63,304.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,113.25 : 116,076.21 = 45,872.87 : x
  2. Step 2: Convert to fraction form
    84,113.25/116,076.21 = 45,872.87/x
  3. Step 3: Cross multiply
    84,113.25x = 116,076.21 × 45,872.87
  4. Step 4: Simplify right side
    84,113.25x = 5,324,748,891.42
  5. Step 5: Solve for x
    x = 5,324,748,891.42/84,113.25
  6. Step 6: Final answer
    x = 63,304.52

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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.