Home / 50,158.08-75,029.12-38,221.60

Finding the Fourth Proportional to 50,158.08, 75,029.12 and 38,221.60

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Solution

The fourth proportional to 50,158.08, 75,029.12 and 38,221.60 is: 57,173.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,158.08 : 75,029.12 = 38,221.60 : x
  2. Step 2: Convert to fraction form
    50,158.08/75,029.12 = 38,221.60/x
  3. Step 3: Cross multiply
    50,158.08x = 75,029.12 × 38,221.60
  4. Step 4: Simplify right side
    50,158.08x = 2,867,733,012.99
  5. Step 5: Solve for x
    x = 2,867,733,012.99/50,158.08
  6. Step 6: Final answer
    x = 57,173.90

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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.