Home / 86,826.38-130,249.96-30,654.94

Finding the Fourth Proportional to 86,826.38, 130,249.96 and 30,654.94

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Solution

The fourth proportional to 86,826.38, 130,249.96 and 30,654.94 is: 45,986.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,826.38 : 130,249.96 = 30,654.94 : x
  2. Step 2: Convert to fraction form
    86,826.38/130,249.96 = 30,654.94/x
  3. Step 3: Cross multiply
    86,826.38x = 130,249.96 × 30,654.94
  4. Step 4: Simplify right side
    86,826.38x = 3,992,804,708.80
  5. Step 5: Solve for x
    x = 3,992,804,708.80/86,826.38
  6. Step 6: Final answer
    x = 45,986.08

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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.