Home / 57,165.52-78,891.35-34,504.20

Finding the Fourth Proportional to 57,165.52, 78,891.35 and 34,504.20

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Solution

The fourth proportional to 57,165.52, 78,891.35 and 34,504.20 is: 47,617.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,165.52 : 78,891.35 = 34,504.20 : x
  2. Step 2: Convert to fraction form
    57,165.52/78,891.35 = 34,504.20/x
  3. Step 3: Cross multiply
    57,165.52x = 78,891.35 × 34,504.20
  4. Step 4: Simplify right side
    57,165.52x = 2,722,082,918.67
  5. Step 5: Solve for x
    x = 2,722,082,918.67/57,165.52
  6. Step 6: Final answer
    x = 47,617.57

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.