Home / 47,700.75-71,790.39-35,915.59

Finding the Fourth Proportional to 47,700.75, 71,790.39 and 35,915.59

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Solution

The fourth proportional to 47,700.75, 71,790.39 and 35,915.59 is: 54,053.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,700.75 : 71,790.39 = 35,915.59 : x
  2. Step 2: Convert to fraction form
    47,700.75/71,790.39 = 35,915.59/x
  3. Step 3: Cross multiply
    47,700.75x = 71,790.39 × 35,915.59
  4. Step 4: Simplify right side
    47,700.75x = 2,578,394,213.18
  5. Step 5: Solve for x
    x = 2,578,394,213.18/47,700.75
  6. Step 6: Final answer
    x = 54,053.54

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.