Home / 84,676.37-126,988.61-58,549.01

Finding the Fourth Proportional to 84,676.37, 126,988.61 and 58,549.01

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Solution

The fourth proportional to 84,676.37, 126,988.61 and 58,549.01 is: 87,805.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,676.37 : 126,988.61 = 58,549.01 : x
  2. Step 2: Convert to fraction form
    84,676.37/126,988.61 = 58,549.01/x
  3. Step 3: Cross multiply
    84,676.37x = 126,988.61 × 58,549.01
  4. Step 4: Simplify right side
    84,676.37x = 7,435,056,469.09
  5. Step 5: Solve for x
    x = 7,435,056,469.09/84,676.37
  6. Step 6: Final answer
    x = 87,805.57

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.