Home / 82,367.96-123,688.62-51,400.04

Finding the Fourth Proportional to 82,367.96, 123,688.62 and 51,400.04

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Solution

The fourth proportional to 82,367.96, 123,688.62 and 51,400.04 is: 77,185.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,367.96 : 123,688.62 = 51,400.04 : x
  2. Step 2: Convert to fraction form
    82,367.96/123,688.62 = 51,400.04/x
  3. Step 3: Cross multiply
    82,367.96x = 123,688.62 × 51,400.04
  4. Step 4: Simplify right side
    82,367.96x = 6,357,600,015.54
  5. Step 5: Solve for x
    x = 6,357,600,015.54/82,367.96
  6. Step 6: Final answer
    x = 77,185.35

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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.