Home / 42,662.43-63,989.33-11,500.83

Finding the Fourth Proportional to 42,662.43, 63,989.33 and 11,500.83

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Solution

The fourth proportional to 42,662.43, 63,989.33 and 11,500.83 is: 17,250.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,662.43 : 63,989.33 = 11,500.83 : x
  2. Step 2: Convert to fraction form
    42,662.43/63,989.33 = 11,500.83/x
  3. Step 3: Cross multiply
    42,662.43x = 63,989.33 × 11,500.83
  4. Step 4: Simplify right side
    42,662.43x = 735,930,348.64
  5. Step 5: Solve for x
    x = 735,930,348.64/42,662.43
  6. Step 6: Final answer
    x = 17,250.08

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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.