Home / 87,826.50-131,756.40-35,240.13

Finding the Fourth Proportional to 87,826.50, 131,756.40 and 35,240.13

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Solution

The fourth proportional to 87,826.50, 131,756.40 and 35,240.13 is: 52,866.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,826.50 : 131,756.40 = 35,240.13 : x
  2. Step 2: Convert to fraction form
    87,826.50/131,756.40 = 35,240.13/x
  3. Step 3: Cross multiply
    87,826.50x = 131,756.40 × 35,240.13
  4. Step 4: Simplify right side
    87,826.50x = 4,643,112,664.33
  5. Step 5: Solve for x
    x = 4,643,112,664.33/87,826.50
  6. Step 6: Final answer
    x = 52,866.88

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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.