Home / 57,272.20-79,017.26-34,617.90

Finding the Fourth Proportional to 57,272.20, 79,017.26 and 34,617.90

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Solution

The fourth proportional to 57,272.20, 79,017.26 and 34,617.90 is: 47,761.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,272.20 : 79,017.26 = 34,617.90 : x
  2. Step 2: Convert to fraction form
    57,272.20/79,017.26 = 34,617.90/x
  3. Step 3: Cross multiply
    57,272.20x = 79,017.26 × 34,617.90
  4. Step 4: Simplify right side
    57,272.20x = 2,735,411,604.95
  5. Step 5: Solve for x
    x = 2,735,411,604.95/57,272.20
  6. Step 6: Final answer
    x = 47,761.59

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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.