Home / 82,651.16-124,011.78-45,167.44

Finding the Fourth Proportional to 82,651.16, 124,011.78 and 45,167.44

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Solution

The fourth proportional to 82,651.16, 124,011.78 and 45,167.44 is: 67,770.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,651.16 : 124,011.78 = 45,167.44 : x
  2. Step 2: Convert to fraction form
    82,651.16/124,011.78 = 45,167.44/x
  3. Step 3: Cross multiply
    82,651.16x = 124,011.78 × 45,167.44
  4. Step 4: Simplify right side
    82,651.16x = 5,601,294,632.44
  5. Step 5: Solve for x
    x = 5,601,294,632.44/82,651.16
  6. Step 6: Final answer
    x = 67,770.31

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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.