Home / 58,142.52-87,195.90-18,689.04

Finding the Fourth Proportional to 58,142.52, 87,195.90 and 18,689.04

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Solution

The fourth proportional to 58,142.52, 87,195.90 and 18,689.04 is: 28,027.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,142.52 : 87,195.90 = 18,689.04 : x
  2. Step 2: Convert to fraction form
    58,142.52/87,195.90 = 18,689.04/x
  3. Step 3: Cross multiply
    58,142.52x = 87,195.90 × 18,689.04
  4. Step 4: Simplify right side
    58,142.52x = 1,629,607,662.94
  5. Step 5: Solve for x
    x = 1,629,607,662.94/58,142.52
  6. Step 6: Final answer
    x = 28,027.81

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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.