Home / 57,969.45-87,042.45-55,115.04

Finding the Fourth Proportional to 57,969.45, 87,042.45 and 55,115.04

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Solution

The fourth proportional to 57,969.45, 87,042.45 and 55,115.04 is: 82,756.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,969.45 : 87,042.45 = 55,115.04 : x
  2. Step 2: Convert to fraction form
    57,969.45/87,042.45 = 55,115.04/x
  3. Step 3: Cross multiply
    57,969.45x = 87,042.45 × 55,115.04
  4. Step 4: Simplify right side
    57,969.45x = 4,797,348,113.45
  5. Step 5: Solve for x
    x = 4,797,348,113.45/57,969.45
  6. Step 6: Final answer
    x = 82,756.49

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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.