Home / 50,131.39-75,228.28-45,459.86

Finding the Fourth Proportional to 50,131.39, 75,228.28 and 45,459.86

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Solution

The fourth proportional to 50,131.39, 75,228.28 and 45,459.86 is: 68,218.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,131.39 : 75,228.28 = 45,459.86 : x
  2. Step 2: Convert to fraction form
    50,131.39/75,228.28 = 45,459.86/x
  3. Step 3: Cross multiply
    50,131.39x = 75,228.28 × 45,459.86
  4. Step 4: Simplify right side
    50,131.39x = 3,419,867,076.84
  5. Step 5: Solve for x
    x = 3,419,867,076.84/50,131.39
  6. Step 6: Final answer
    x = 68,218.08

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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.