Home / 67,771.20-93,469.02-47,694.60

Finding the Fourth Proportional to 67,771.20, 93,469.02 and 47,694.60

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Solution

The fourth proportional to 67,771.20, 93,469.02 and 47,694.60 is: 65,779.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,771.20 : 93,469.02 = 47,694.60 : x
  2. Step 2: Convert to fraction form
    67,771.20/93,469.02 = 47,694.60/x
  3. Step 3: Cross multiply
    67,771.20x = 93,469.02 × 47,694.60
  4. Step 4: Simplify right side
    67,771.20x = 4,457,967,521.29
  5. Step 5: Solve for x
    x = 4,457,967,521.29/67,771.20
  6. Step 6: Final answer
    x = 65,779.68

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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.