Home / 37,101.60-55,657.80-12,135.60

Finding the Fourth Proportional to 37,101.60, 55,657.80 and 12,135.60

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Solution

The fourth proportional to 37,101.60, 55,657.80 and 12,135.60 is: 18,205.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,101.60 : 55,657.80 = 12,135.60 : x
  2. Step 2: Convert to fraction form
    37,101.60/55,657.80 = 12,135.60/x
  3. Step 3: Cross multiply
    37,101.60x = 55,657.80 × 12,135.60
  4. Step 4: Simplify right side
    37,101.60x = 675,440,797.68
  5. Step 5: Solve for x
    x = 675,440,797.68/37,101.60
  6. Step 6: Final answer
    x = 18,205.17

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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.