Home / 40,131.60-60,205.77-12,050.52

Finding the Fourth Proportional to 40,131.60, 60,205.77 and 12,050.52

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Solution

The fourth proportional to 40,131.60, 60,205.77 and 12,050.52 is: 18,078.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,131.60 : 60,205.77 = 12,050.52 : x
  2. Step 2: Convert to fraction form
    40,131.60/60,205.77 = 12,050.52/x
  3. Step 3: Cross multiply
    40,131.60x = 60,205.77 × 12,050.52
  4. Step 4: Simplify right side
    40,131.60x = 725,510,835.50
  5. Step 5: Solve for x
    x = 725,510,835.50/40,131.60
  6. Step 6: Final answer
    x = 18,078.29

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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.