Home / 56,131.20-84,196.80-50,947.20

Finding the Fourth Proportional to 56,131.20, 84,196.80 and 50,947.20

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Solution

The fourth proportional to 56,131.20, 84,196.80 and 50,947.20 is: 76,420.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,131.20 : 84,196.80 = 50,947.20 : x
  2. Step 2: Convert to fraction form
    56,131.20/84,196.80 = 50,947.20/x
  3. Step 3: Cross multiply
    56,131.20x = 84,196.80 × 50,947.20
  4. Step 4: Simplify right side
    56,131.20x = 4,289,591,208.96
  5. Step 5: Solve for x
    x = 4,289,591,208.96/56,131.20
  6. Step 6: Final answer
    x = 76,420.80

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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.