Home / 47,931.10-71,791.88-39,516.62

Finding the Fourth Proportional to 47,931.10, 71,791.88 and 39,516.62

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Solution

The fourth proportional to 47,931.10, 71,791.88 and 39,516.62 is: 59,188.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,931.10 : 71,791.88 = 39,516.62 : x
  2. Step 2: Convert to fraction form
    47,931.10/71,791.88 = 39,516.62/x
  3. Step 3: Cross multiply
    47,931.10x = 71,791.88 × 39,516.62
  4. Step 4: Simplify right side
    47,931.10x = 2,836,971,884.50
  5. Step 5: Solve for x
    x = 2,836,971,884.50/47,931.10
  6. Step 6: Final answer
    x = 59,188.54

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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.