Home / 82,812.43-124,201.23-26,657.56

Finding the Fourth Proportional to 82,812.43, 124,201.23 and 26,657.56

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Solution

The fourth proportional to 82,812.43, 124,201.23 and 26,657.56 is: 39,980.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,812.43 : 124,201.23 = 26,657.56 : x
  2. Step 2: Convert to fraction form
    82,812.43/124,201.23 = 26,657.56/x
  3. Step 3: Cross multiply
    82,812.43x = 124,201.23 × 26,657.56
  4. Step 4: Simplify right side
    82,812.43x = 3,310,901,740.80
  5. Step 5: Solve for x
    x = 3,310,901,740.80/82,812.43
  6. Step 6: Final answer
    x = 39,980.73

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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.