Home / 92,121.37-138,182.12-25,561.56

Finding the Fourth Proportional to 92,121.37, 138,182.12 and 25,561.56

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Solution

The fourth proportional to 92,121.37, 138,182.12 and 25,561.56 is: 38,342.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,121.37 : 138,182.12 = 25,561.56 : x
  2. Step 2: Convert to fraction form
    92,121.37/138,182.12 = 25,561.56/x
  3. Step 3: Cross multiply
    92,121.37x = 138,182.12 × 25,561.56
  4. Step 4: Simplify right side
    92,121.37x = 3,532,150,577.01
  5. Step 5: Solve for x
    x = 3,532,150,577.01/92,121.37
  6. Step 6: Final answer
    x = 38,342.36

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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.