Home / 86,945.86-130,414.48-50,942.71

Finding the Fourth Proportional to 86,945.86, 130,414.48 and 50,942.71

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Solution

The fourth proportional to 86,945.86, 130,414.48 and 50,942.71 is: 76,411.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,945.86 : 130,414.48 = 50,942.71 : x
  2. Step 2: Convert to fraction form
    86,945.86/130,414.48 = 50,942.71/x
  3. Step 3: Cross multiply
    86,945.86x = 130,414.48 × 50,942.71
  4. Step 4: Simplify right side
    86,945.86x = 6,643,667,034.44
  5. Step 5: Solve for x
    x = 6,643,667,034.44/86,945.86
  6. Step 6: Final answer
    x = 76,411.54

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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.