Home / 58,146.97-87,165.08-18,676.40

Finding the Fourth Proportional to 58,146.97, 87,165.08 and 18,676.40

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Solution

The fourth proportional to 58,146.97, 87,165.08 and 18,676.40 is: 27,996.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,146.97 : 87,165.08 = 18,676.40 : x
  2. Step 2: Convert to fraction form
    58,146.97/87,165.08 = 18,676.40/x
  3. Step 3: Cross multiply
    58,146.97x = 87,165.08 × 18,676.40
  4. Step 4: Simplify right side
    58,146.97x = 1,627,930,141.37
  5. Step 5: Solve for x
    x = 1,627,930,141.37/58,146.97
  6. Step 6: Final answer
    x = 27,996.82

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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.