Home / 57,764.60-86,630.70-18,333.80

Finding the Fourth Proportional to 57,764.60, 86,630.70 and 18,333.80

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Solution

The fourth proportional to 57,764.60, 86,630.70 and 18,333.80 is: 27,495.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,764.60 : 86,630.70 = 18,333.80 : x
  2. Step 2: Convert to fraction form
    57,764.60/86,630.70 = 18,333.80/x
  3. Step 3: Cross multiply
    57,764.60x = 86,630.70 × 18,333.80
  4. Step 4: Simplify right side
    57,764.60x = 1,588,269,927.66
  5. Step 5: Solve for x
    x = 1,588,269,927.66/57,764.60
  6. Step 6: Final answer
    x = 27,495.56

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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.