Home / 87,784.56-131,676.60-41,070.32

Finding the Fourth Proportional to 87,784.56, 131,676.60 and 41,070.32

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Solution

The fourth proportional to 87,784.56, 131,676.60 and 41,070.32 is: 61,605.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,784.56 : 131,676.60 = 41,070.32 : x
  2. Step 2: Convert to fraction form
    87,784.56/131,676.60 = 41,070.32/x
  3. Step 3: Cross multiply
    87,784.56x = 131,676.60 × 41,070.32
  4. Step 4: Simplify right side
    87,784.56x = 5,408,000,098.51
  5. Step 5: Solve for x
    x = 5,408,000,098.51/87,784.56
  6. Step 6: Final answer
    x = 61,605.37

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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.