Home / 54,845.13-82,280-17,406.43

Finding the Fourth Proportional to 54,845.13, 82,280 and 17,406.43

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Solution

The fourth proportional to 54,845.13, 82,280 and 17,406.43 is: 26,113.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,845.13 : 82,280 = 17,406.43 : x
  2. Step 2: Convert to fraction form
    54,845.13/82,280 = 17,406.43/x
  3. Step 3: Cross multiply
    54,845.13x = 82,280 × 17,406.43
  4. Step 4: Simplify right side
    54,845.13x = 1,432,201,060.40
  5. Step 5: Solve for x
    x = 1,432,201,060.40/54,845.13
  6. Step 6: Final answer
    x = 26,113.55

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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.