Home / 57,219.13-85,811.90-22,150.41

Finding the Fourth Proportional to 57,219.13, 85,811.90 and 22,150.41

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Solution

The fourth proportional to 57,219.13, 85,811.90 and 22,150.41 is: 33,219.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,219.13 : 85,811.90 = 22,150.41 : x
  2. Step 2: Convert to fraction form
    57,219.13/85,811.90 = 22,150.41/x
  3. Step 3: Cross multiply
    57,219.13x = 85,811.90 × 22,150.41
  4. Step 4: Simplify right side
    57,219.13x = 1,900,768,657.13
  5. Step 5: Solve for x
    x = 1,900,768,657.13/57,219.13
  6. Step 6: Final answer
    x = 33,219.11

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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.