Home / 37,079.09-55,627.64-12,120.29

Finding the Fourth Proportional to 37,079.09, 55,627.64 and 12,120.29

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Solution

The fourth proportional to 37,079.09, 55,627.64 and 12,120.29 is: 18,183.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,079.09 : 55,627.64 = 12,120.29 : x
  2. Step 2: Convert to fraction form
    37,079.09/55,627.64 = 12,120.29/x
  3. Step 3: Cross multiply
    37,079.09x = 55,627.64 × 12,120.29
  4. Step 4: Simplify right side
    37,079.09x = 674,223,128.82
  5. Step 5: Solve for x
    x = 674,223,128.82/37,079.09
  6. Step 6: Final answer
    x = 18,183.38

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1.5x scale

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.