Home / 58,676.36-87,979.38-18,678.06

Finding the Fourth Proportional to 58,676.36, 87,979.38 and 18,678.06

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Solution

The fourth proportional to 58,676.36, 87,979.38 and 18,678.06 is: 28,005.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,676.36 : 87,979.38 = 18,678.06 : x
  2. Step 2: Convert to fraction form
    58,676.36/87,979.38 = 18,678.06/x
  3. Step 3: Cross multiply
    58,676.36x = 87,979.38 × 18,678.06
  4. Step 4: Simplify right side
    58,676.36x = 1,643,284,138.40
  5. Step 5: Solve for x
    x = 1,643,284,138.40/58,676.36
  6. Step 6: Final answer
    x = 28,005.90

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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.