Home / 86,719.92-130,076.90-36,767.85

Finding the Fourth Proportional to 86,719.92, 130,076.90 and 36,767.85

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Solution

The fourth proportional to 86,719.92, 130,076.90 and 36,767.85 is: 55,150.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,719.92 : 130,076.90 = 36,767.85 : x
  2. Step 2: Convert to fraction form
    86,719.92/130,076.90 = 36,767.85/x
  3. Step 3: Cross multiply
    86,719.92x = 130,076.90 × 36,767.85
  4. Step 4: Simplify right side
    86,719.92x = 4,782,647,947.67
  5. Step 5: Solve for x
    x = 4,782,647,947.67/86,719.92
  6. Step 6: Final answer
    x = 55,150.51

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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.