Home / 84,512.13-116,618.74-50,513.79

Finding the Fourth Proportional to 84,512.13, 116,618.74 and 50,513.79

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Solution

The fourth proportional to 84,512.13, 116,618.74 and 50,513.79 is: 69,704.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,512.13 : 116,618.74 = 50,513.79 : x
  2. Step 2: Convert to fraction form
    84,512.13/116,618.74 = 50,513.79/x
  3. Step 3: Cross multiply
    84,512.13x = 116,618.74 × 50,513.79
  4. Step 4: Simplify right side
    84,512.13x = 5,890,854,853.46
  5. Step 5: Solve for x
    x = 5,890,854,853.46/84,512.13
  6. Step 6: Final answer
    x = 69,704.26

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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.