Home / 87,826.64-131,630.27-40,391.19

Finding the Fourth Proportional to 87,826.64, 131,630.27 and 40,391.19

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Solution

The fourth proportional to 87,826.64, 131,630.27 and 40,391.19 is: 60,536.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,826.64 : 131,630.27 = 40,391.19 : x
  2. Step 2: Convert to fraction form
    87,826.64/131,630.27 = 40,391.19/x
  3. Step 3: Cross multiply
    87,826.64x = 131,630.27 × 40,391.19
  4. Step 4: Simplify right side
    87,826.64x = 5,316,703,043.37
  5. Step 5: Solve for x
    x = 5,316,703,043.37/87,826.64
  6. Step 6: Final answer
    x = 60,536.34

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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.