Home / 55,427.20-83,049.60-32,012.80

Finding the Fourth Proportional to 55,427.20, 83,049.60 and 32,012.80

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Solution

The fourth proportional to 55,427.20, 83,049.60 and 32,012.80 is: 47,966.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,427.20 : 83,049.60 = 32,012.80 : x
  2. Step 2: Convert to fraction form
    55,427.20/83,049.60 = 32,012.80/x
  3. Step 3: Cross multiply
    55,427.20x = 83,049.60 × 32,012.80
  4. Step 4: Simplify right side
    55,427.20x = 2,658,650,234.88
  5. Step 5: Solve for x
    x = 2,658,650,234.88/55,427.20
  6. Step 6: Final answer
    x = 47,966.53

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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.