Home / 57,309.12-79,087.68-33,442.56

Finding the Fourth Proportional to 57,309.12, 79,087.68 and 33,442.56

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Solution

The fourth proportional to 57,309.12, 79,087.68 and 33,442.56 is: 46,151.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,309.12 : 79,087.68 = 33,442.56 : x
  2. Step 2: Convert to fraction form
    57,309.12/79,087.68 = 33,442.56/x
  3. Step 3: Cross multiply
    57,309.12x = 79,087.68 × 33,442.56
  4. Step 4: Simplify right side
    57,309.12x = 2,644,894,483.66
  5. Step 5: Solve for x
    x = 2,644,894,483.66/57,309.12
  6. Step 6: Final answer
    x = 46,151.37

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1.5x scale

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.