Home / 87,354.05-131,081.83-36,749.36

Finding the Fourth Proportional to 87,354.05, 131,081.83 and 36,749.36

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Solution

The fourth proportional to 87,354.05, 131,081.83 and 36,749.36 is: 55,145.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,354.05 : 131,081.83 = 36,749.36 : x
  2. Step 2: Convert to fraction form
    87,354.05/131,081.83 = 36,749.36/x
  3. Step 3: Cross multiply
    87,354.05x = 131,081.83 × 36,749.36
  4. Step 4: Simplify right side
    87,354.05x = 4,817,173,595.96
  5. Step 5: Solve for x
    x = 4,817,173,595.96/87,354.05
  6. Step 6: Final answer
    x = 55,145.40

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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.