Home / 56,016.20-83,781.30-50,135.60

Finding the Fourth Proportional to 56,016.20, 83,781.30 and 50,135.60

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Solution

The fourth proportional to 56,016.20, 83,781.30 and 50,135.60 is: 74,985.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,016.20 : 83,781.30 = 50,135.60 : x
  2. Step 2: Convert to fraction form
    56,016.20/83,781.30 = 50,135.60/x
  3. Step 3: Cross multiply
    56,016.20x = 83,781.30 × 50,135.60
  4. Step 4: Simplify right side
    56,016.20x = 4,200,425,744.28
  5. Step 5: Solve for x
    x = 4,200,425,744.28/56,016.20
  6. Step 6: Final answer
    x = 74,985.91

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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.