Home / 57,188.20-85,790.58-17,748.50

Finding the Fourth Proportional to 57,188.20, 85,790.58 and 17,748.50

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Solution

The fourth proportional to 57,188.20, 85,790.58 and 17,748.50 is: 26,625.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,188.20 : 85,790.58 = 17,748.50 : x
  2. Step 2: Convert to fraction form
    57,188.20/85,790.58 = 17,748.50/x
  3. Step 3: Cross multiply
    57,188.20x = 85,790.58 × 17,748.50
  4. Step 4: Simplify right side
    57,188.20x = 1,522,654,109.13
  5. Step 5: Solve for x
    x = 1,522,654,109.13/57,188.20
  6. Step 6: Final answer
    x = 26,625.32

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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.