Home / 84,279.84-116,301.36-50,326.64

Finding the Fourth Proportional to 84,279.84, 116,301.36 and 50,326.64

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Solution

The fourth proportional to 84,279.84, 116,301.36 and 50,326.64 is: 69,447.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,279.84 : 116,301.36 = 50,326.64 : x
  2. Step 2: Convert to fraction form
    84,279.84/116,301.36 = 50,326.64/x
  3. Step 3: Cross multiply
    84,279.84x = 116,301.36 × 50,326.64
  4. Step 4: Simplify right side
    84,279.84x = 5,853,056,676.23
  5. Step 5: Solve for x
    x = 5,853,056,676.23/84,279.84
  6. Step 6: Final answer
    x = 69,447.89

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1.5x scale

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.