Home / 82,829.74-124,797.88-74,942.36

Finding the Fourth Proportional to 82,829.74, 124,797.88 and 74,942.36

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Solution

The fourth proportional to 82,829.74, 124,797.88 and 74,942.36 is: 112,914.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,829.74 : 124,797.88 = 74,942.36 : x
  2. Step 2: Convert to fraction form
    82,829.74/124,797.88 = 74,942.36/x
  3. Step 3: Cross multiply
    82,829.74x = 124,797.88 × 74,942.36
  4. Step 4: Simplify right side
    82,829.74x = 9,352,647,650.20
  5. Step 5: Solve for x
    x = 9,352,647,650.20/82,829.74
  6. Step 6: Final answer
    x = 112,914.13

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.