Home / 56,624.20-84,936.30-28,630.60

Finding the Fourth Proportional to 56,624.20, 84,936.30 and 28,630.60

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Solution

The fourth proportional to 56,624.20, 84,936.30 and 28,630.60 is: 42,945.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,624.20 : 84,936.30 = 28,630.60 : x
  2. Step 2: Convert to fraction form
    56,624.20/84,936.30 = 28,630.60/x
  3. Step 3: Cross multiply
    56,624.20x = 84,936.30 × 28,630.60
  4. Step 4: Simplify right side
    56,624.20x = 2,431,777,230.78
  5. Step 5: Solve for x
    x = 2,431,777,230.78/56,624.20
  6. Step 6: Final answer
    x = 42,945.90

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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.