Home / 52,771.40-79,132.49-30,591.12

Finding the Fourth Proportional to 52,771.40, 79,132.49 and 30,591.12

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Solution

The fourth proportional to 52,771.40, 79,132.49 and 30,591.12 is: 45,872.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,771.40 : 79,132.49 = 30,591.12 : x
  2. Step 2: Convert to fraction form
    52,771.40/79,132.49 = 30,591.12/x
  3. Step 3: Cross multiply
    52,771.40x = 79,132.49 × 30,591.12
  4. Step 4: Simplify right side
    52,771.40x = 2,420,751,482.95
  5. Step 5: Solve for x
    x = 2,420,751,482.95/52,771.40
  6. Step 6: Final answer
    x = 45,872.41

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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.