Home / 57,182-85,778.96-15,629.04

Finding the Fourth Proportional to 57,182, 85,778.96 and 15,629.04

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Solution

The fourth proportional to 57,182, 85,778.96 and 15,629.04 is: 23,445.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,182 : 85,778.96 = 15,629.04 : x
  2. Step 2: Convert to fraction form
    57,182/85,778.96 = 15,629.04/x
  3. Step 3: Cross multiply
    57,182x = 85,778.96 × 15,629.04
  4. Step 4: Simplify right side
    57,182x = 1,340,642,797.00
  5. Step 5: Solve for x
    x = 1,340,642,797.00/57,182
  6. Step 6: Final answer
    x = 23,445.19

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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.