Home / 47,842.40-71,763.60-16,670.36

Finding the Fourth Proportional to 47,842.40, 71,763.60 and 16,670.36

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Solution

The fourth proportional to 47,842.40, 71,763.60 and 16,670.36 is: 25,005.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,842.40 : 71,763.60 = 16,670.36 : x
  2. Step 2: Convert to fraction form
    47,842.40/71,763.60 = 16,670.36/x
  3. Step 3: Cross multiply
    47,842.40x = 71,763.60 × 16,670.36
  4. Step 4: Simplify right side
    47,842.40x = 1,196,325,046.90
  5. Step 5: Solve for x
    x = 1,196,325,046.90/47,842.40
  6. Step 6: Final answer
    x = 25,005.54

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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.