Home / 58,124.21-87,185.84-38,490.62

Finding the Fourth Proportional to 58,124.21, 87,185.84 and 38,490.62

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Solution

The fourth proportional to 58,124.21, 87,185.84 and 38,490.62 is: 57,735.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,124.21 : 87,185.84 = 38,490.62 : x
  2. Step 2: Convert to fraction form
    58,124.21/87,185.84 = 38,490.62/x
  3. Step 3: Cross multiply
    58,124.21x = 87,185.84 × 38,490.62
  4. Step 4: Simplify right side
    58,124.21x = 3,355,836,408.44
  5. Step 5: Solve for x
    x = 3,355,836,408.44/58,124.21
  6. Step 6: Final answer
    x = 57,735.61

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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.