Home / 57,216.20-85,825.10-17,770.82

Finding the Fourth Proportional to 57,216.20, 85,825.10 and 17,770.82

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Solution

The fourth proportional to 57,216.20, 85,825.10 and 17,770.82 is: 26,656.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,216.20 : 85,825.10 = 17,770.82 : x
  2. Step 2: Convert to fraction form
    57,216.20/85,825.10 = 17,770.82/x
  3. Step 3: Cross multiply
    57,216.20x = 85,825.10 × 17,770.82
  4. Step 4: Simplify right side
    57,216.20x = 1,525,182,403.58
  5. Step 5: Solve for x
    x = 1,525,182,403.58/57,216.20
  6. Step 6: Final answer
    x = 26,656.48

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1.5x scale

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.