Home / 82,848.62-124,283.43-81,566.30

Finding the Fourth Proportional to 82,848.62, 124,283.43 and 81,566.30

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Solution

The fourth proportional to 82,848.62, 124,283.43 and 81,566.30 is: 122,359.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,848.62 : 124,283.43 = 81,566.30 : x
  2. Step 2: Convert to fraction form
    82,848.62/124,283.43 = 81,566.30/x
  3. Step 3: Cross multiply
    82,848.62x = 124,283.43 × 81,566.30
  4. Step 4: Simplify right side
    82,848.62x = 10,137,339,536.41
  5. Step 5: Solve for x
    x = 10,137,339,536.41/82,848.62
  6. Step 6: Final answer
    x = 122,359.79

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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.