Home / 52,771.20-79,156.80-33,110.40

Finding the Fourth Proportional to 52,771.20, 79,156.80 and 33,110.40

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Solution

The fourth proportional to 52,771.20, 79,156.80 and 33,110.40 is: 49,665.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,771.20 : 79,156.80 = 33,110.40 : x
  2. Step 2: Convert to fraction form
    52,771.20/79,156.80 = 33,110.40/x
  3. Step 3: Cross multiply
    52,771.20x = 79,156.80 × 33,110.40
  4. Step 4: Simplify right side
    52,771.20x = 2,620,913,310.72
  5. Step 5: Solve for x
    x = 2,620,913,310.72/52,771.20
  6. Step 6: Final answer
    x = 49,665.60

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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.