Home / 75,438.24-113,157.38-20,034.24

Finding the Fourth Proportional to 75,438.24, 113,157.38 and 20,034.24

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Solution

The fourth proportional to 75,438.24, 113,157.38 and 20,034.24 is: 30,051.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,438.24 : 113,157.38 = 20,034.24 : x
  2. Step 2: Convert to fraction form
    75,438.24/113,157.38 = 20,034.24/x
  3. Step 3: Cross multiply
    75,438.24x = 113,157.38 × 20,034.24
  4. Step 4: Simplify right side
    75,438.24x = 2,267,022,108.69
  5. Step 5: Solve for x
    x = 2,267,022,108.69/75,438.24
  6. Step 6: Final answer
    x = 30,051.37

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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.