Home / 47,136.50-65,046.70-25,915.60

Finding the Fourth Proportional to 47,136.50, 65,046.70 and 25,915.60

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Solution

The fourth proportional to 47,136.50, 65,046.70 and 25,915.60 is: 35,762.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,136.50 : 65,046.70 = 25,915.60 : x
  2. Step 2: Convert to fraction form
    47,136.50/65,046.70 = 25,915.60/x
  3. Step 3: Cross multiply
    47,136.50x = 65,046.70 × 25,915.60
  4. Step 4: Simplify right side
    47,136.50x = 1,685,724,258.52
  5. Step 5: Solve for x
    x = 1,685,724,258.52/47,136.50
  6. Step 6: Final answer
    x = 35,762.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.