Home / 50,910.60-76,301.10-45,337.80

Finding the Fourth Proportional to 50,910.60, 76,301.10 and 45,337.80

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Solution

The fourth proportional to 50,910.60, 76,301.10 and 45,337.80 is: 67,948.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,910.60 : 76,301.10 = 45,337.80 : x
  2. Step 2: Convert to fraction form
    50,910.60/76,301.10 = 45,337.80/x
  3. Step 3: Cross multiply
    50,910.60x = 76,301.10 × 45,337.80
  4. Step 4: Simplify right side
    50,910.60x = 3,459,324,011.58
  5. Step 5: Solve for x
    x = 3,459,324,011.58/50,910.60
  6. Step 6: Final answer
    x = 67,948.99

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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.