Home / 56,910.40-85,171.20-52,244.80

Finding the Fourth Proportional to 56,910.40, 85,171.20 and 52,244.80

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Solution

The fourth proportional to 56,910.40, 85,171.20 and 52,244.80 is: 78,188.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,910.40 : 85,171.20 = 52,244.80 : x
  2. Step 2: Convert to fraction form
    56,910.40/85,171.20 = 52,244.80/x
  3. Step 3: Cross multiply
    56,910.40x = 85,171.20 × 52,244.80
  4. Step 4: Simplify right side
    56,910.40x = 4,449,752,309.76
  5. Step 5: Solve for x
    x = 4,449,752,309.76/56,910.40
  6. Step 6: Final answer
    x = 78,188.74

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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.