Home / 42,361.78-63,524.20-14,276.61

Finding the Fourth Proportional to 42,361.78, 63,524.20 and 14,276.61

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Solution

The fourth proportional to 42,361.78, 63,524.20 and 14,276.61 is: 21,408.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,361.78 : 63,524.20 = 14,276.61 : x
  2. Step 2: Convert to fraction form
    42,361.78/63,524.20 = 14,276.61/x
  3. Step 3: Cross multiply
    42,361.78x = 63,524.20 × 14,276.61
  4. Step 4: Simplify right side
    42,361.78x = 906,910,228.96
  5. Step 5: Solve for x
    x = 906,910,228.96/42,361.78
  6. Step 6: Final answer
    x = 21,408.69

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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.