Home / 86,501.77-119,375.99-54,659.05

Finding the Fourth Proportional to 86,501.77, 119,375.99 and 54,659.05

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Solution

The fourth proportional to 86,501.77, 119,375.99 and 54,659.05 is: 75,431.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,501.77 : 119,375.99 = 54,659.05 : x
  2. Step 2: Convert to fraction form
    86,501.77/119,375.99 = 54,659.05/x
  3. Step 3: Cross multiply
    86,501.77x = 119,375.99 × 54,659.05
  4. Step 4: Simplify right side
    86,501.77x = 6,524,978,206.21
  5. Step 5: Solve for x
    x = 6,524,978,206.21/86,501.77
  6. Step 6: Final answer
    x = 75,431.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.