Home / 47,327.20-70,915.20-25,111.60

Finding the Fourth Proportional to 47,327.20, 70,915.20 and 25,111.60

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Solution

The fourth proportional to 47,327.20, 70,915.20 and 25,111.60 is: 37,627.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,327.20 : 70,915.20 = 25,111.60 : x
  2. Step 2: Convert to fraction form
    47,327.20/70,915.20 = 25,111.60/x
  3. Step 3: Cross multiply
    47,327.20x = 70,915.20 × 25,111.60
  4. Step 4: Simplify right side
    47,327.20x = 1,780,794,136.32
  5. Step 5: Solve for x
    x = 1,780,794,136.32/47,327.20
  6. Step 6: Final answer
    x = 37,627.29

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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.