Home / 82,764.90-124,198.65-43,350.30

Finding the Fourth Proportional to 82,764.90, 124,198.65 and 43,350.30

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Solution

The fourth proportional to 82,764.90, 124,198.65 and 43,350.30 is: 65,052.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,764.90 : 124,198.65 = 43,350.30 : x
  2. Step 2: Convert to fraction form
    82,764.90/124,198.65 = 43,350.30/x
  3. Step 3: Cross multiply
    82,764.90x = 124,198.65 × 43,350.30
  4. Step 4: Simplify right side
    82,764.90x = 5,384,048,737.10
  5. Step 5: Solve for x
    x = 5,384,048,737.10/82,764.90
  6. Step 6: Final answer
    x = 65,052.32

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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.