Home / 53,855.55-80,783.33-42,701.85

Finding the Fourth Proportional to 53,855.55, 80,783.33 and 42,701.85

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Solution

The fourth proportional to 53,855.55, 80,783.33 and 42,701.85 is: 64,052.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,855.55 : 80,783.33 = 42,701.85 : x
  2. Step 2: Convert to fraction form
    53,855.55/80,783.33 = 42,701.85/x
  3. Step 3: Cross multiply
    53,855.55x = 80,783.33 × 42,701.85
  4. Step 4: Simplify right side
    53,855.55x = 3,449,597,426.65
  5. Step 5: Solve for x
    x = 3,449,597,426.65/53,855.55
  6. Step 6: Final answer
    x = 64,052.78

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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.