Home / 47,711.55-71,567.33-30,201.15

Finding the Fourth Proportional to 47,711.55, 71,567.33 and 30,201.15

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Solution

The fourth proportional to 47,711.55, 71,567.33 and 30,201.15 is: 45,301.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,711.55 : 71,567.33 = 30,201.15 : x
  2. Step 2: Convert to fraction form
    47,711.55/71,567.33 = 30,201.15/x
  3. Step 3: Cross multiply
    47,711.55x = 71,567.33 × 30,201.15
  4. Step 4: Simplify right side
    47,711.55x = 2,161,415,517.42
  5. Step 5: Solve for x
    x = 2,161,415,517.42/47,711.55
  6. Step 6: Final answer
    x = 45,301.73

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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.