Home / 57,739.50-86,611.77-18,299.52

Finding the Fourth Proportional to 57,739.50, 86,611.77 and 18,299.52

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Solution

The fourth proportional to 57,739.50, 86,611.77 and 18,299.52 is: 27,450.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,739.50 : 86,611.77 = 18,299.52 : x
  2. Step 2: Convert to fraction form
    57,739.50/86,611.77 = 18,299.52/x
  3. Step 3: Cross multiply
    57,739.50x = 86,611.77 × 18,299.52
  4. Step 4: Simplify right side
    57,739.50x = 1,584,953,817.35
  5. Step 5: Solve for x
    x = 1,584,953,817.35/57,739.50
  6. Step 6: Final answer
    x = 27,450.08

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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.