Home / 82,927.90-114,443.20-47,115.78

Finding the Fourth Proportional to 82,927.90, 114,443.20 and 47,115.78

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Solution

The fourth proportional to 82,927.90, 114,443.20 and 47,115.78 is: 65,021.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,927.90 : 114,443.20 = 47,115.78 : x
  2. Step 2: Convert to fraction form
    82,927.90/114,443.20 = 47,115.78/x
  3. Step 3: Cross multiply
    82,927.90x = 114,443.20 × 47,115.78
  4. Step 4: Simplify right side
    82,927.90x = 5,392,080,633.70
  5. Step 5: Solve for x
    x = 5,392,080,633.70/82,927.90
  6. Step 6: Final answer
    x = 65,021.31

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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.