Home / 47,788.97-71,325.41-47,000.64

Finding the Fourth Proportional to 47,788.97, 71,325.41 and 47,000.64

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Solution

The fourth proportional to 47,788.97, 71,325.41 and 47,000.64 is: 70,148.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,788.97 : 71,325.41 = 47,000.64 : x
  2. Step 2: Convert to fraction form
    47,788.97/71,325.41 = 47,000.64/x
  3. Step 3: Cross multiply
    47,788.97x = 71,325.41 × 47,000.64
  4. Step 4: Simplify right side
    47,788.97x = 3,352,339,918.26
  5. Step 5: Solve for x
    x = 3,352,339,918.26/47,788.97
  6. Step 6: Final answer
    x = 70,148.82

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.