Home / 86,826.22-130,234.29-33,507.77

Finding the Fourth Proportional to 86,826.22, 130,234.29 and 33,507.77

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Solution

The fourth proportional to 86,826.22, 130,234.29 and 33,507.77 is: 50,259.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,826.22 : 130,234.29 = 33,507.77 : x
  2. Step 2: Convert to fraction form
    86,826.22/130,234.29 = 33,507.77/x
  3. Step 3: Cross multiply
    86,826.22x = 130,234.29 × 33,507.77
  4. Step 4: Simplify right side
    86,826.22x = 4,363,860,309.85
  5. Step 5: Solve for x
    x = 4,363,860,309.85/86,826.22
  6. Step 6: Final answer
    x = 50,259.71

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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.