Home / 86,769.12-130,064.94-49,249.92

Finding the Fourth Proportional to 86,769.12, 130,064.94 and 49,249.92

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Solution

The fourth proportional to 86,769.12, 130,064.94 and 49,249.92 is: 73,824.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,769.12 : 130,064.94 = 49,249.92 : x
  2. Step 2: Convert to fraction form
    86,769.12/130,064.94 = 49,249.92/x
  3. Step 3: Cross multiply
    86,769.12x = 130,064.94 × 49,249.92
  4. Step 4: Simplify right side
    86,769.12x = 6,405,687,889.80
  5. Step 5: Solve for x
    x = 6,405,687,889.80/86,769.12
  6. Step 6: Final answer
    x = 73,824.51

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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.