Home / 84,111.40-116,072.24-45,871.23

Finding the Fourth Proportional to 84,111.40, 116,072.24 and 45,871.23

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Solution

The fourth proportional to 84,111.40, 116,072.24 and 45,871.23 is: 63,301.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,111.40 : 116,072.24 = 45,871.23 : x
  2. Step 2: Convert to fraction form
    84,111.40/116,072.24 = 45,871.23/x
  3. Step 3: Cross multiply
    84,111.40x = 116,072.24 × 45,871.23
  4. Step 4: Simplify right side
    84,111.40x = 5,324,376,417.66
  5. Step 5: Solve for x
    x = 5,324,376,417.66/84,111.40
  6. Step 6: Final answer
    x = 63,301.48

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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.