Home / 84,112.14-116,073.29-45,871.98

Finding the Fourth Proportional to 84,112.14, 116,073.29 and 45,871.98

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Solution

The fourth proportional to 84,112.14, 116,073.29 and 45,871.98 is: 63,302.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,112.14 : 116,073.29 = 45,871.98 : x
  2. Step 2: Convert to fraction form
    84,112.14/116,073.29 = 45,871.98/x
  3. Step 3: Cross multiply
    84,112.14x = 116,073.29 × 45,871.98
  4. Step 4: Simplify right side
    84,112.14x = 5,324,511,637.41
  5. Step 5: Solve for x
    x = 5,324,511,637.41/84,112.14
  6. Step 6: Final answer
    x = 63,302.53

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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.