Home / 57,731.20-86,596.80-44,609.20

Finding the Fourth Proportional to 57,731.20, 86,596.80 and 44,609.20

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Solution

The fourth proportional to 57,731.20, 86,596.80 and 44,609.20 is: 66,913.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,731.20 : 86,596.80 = 44,609.20 : x
  2. Step 2: Convert to fraction form
    57,731.20/86,596.80 = 44,609.20/x
  3. Step 3: Cross multiply
    57,731.20x = 86,596.80 × 44,609.20
  4. Step 4: Simplify right side
    57,731.20x = 3,863,013,970.56
  5. Step 5: Solve for x
    x = 3,863,013,970.56/57,731.20
  6. Step 6: Final answer
    x = 66,913.80

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Similar ratio
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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.