Home / 57,103.04-85,633.28-19,652.64

Finding the Fourth Proportional to 57,103.04, 85,633.28 and 19,652.64

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Solution

The fourth proportional to 57,103.04, 85,633.28 and 19,652.64 is: 29,471.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,103.04 : 85,633.28 = 19,652.64 : x
  2. Step 2: Convert to fraction form
    57,103.04/85,633.28 = 19,652.64/x
  3. Step 3: Cross multiply
    57,103.04x = 85,633.28 × 19,652.64
  4. Step 4: Simplify right side
    57,103.04x = 1,682,920,023.86
  5. Step 5: Solve for x
    x = 1,682,920,023.86/57,103.04
  6. Step 6: Final answer
    x = 29,471.64

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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.