Home / 37,120.01-55,680.21-12,161.07

Finding the Fourth Proportional to 37,120.01, 55,680.21 and 12,161.07

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Solution

The fourth proportional to 37,120.01, 55,680.21 and 12,161.07 is: 18,241.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,120.01 : 55,680.21 = 12,161.07 : x
  2. Step 2: Convert to fraction form
    37,120.01/55,680.21 = 12,161.07/x
  3. Step 3: Cross multiply
    37,120.01x = 55,680.21 × 12,161.07
  4. Step 4: Simplify right side
    37,120.01x = 677,130,931.42
  5. Step 5: Solve for x
    x = 677,130,931.42/37,120.01
  6. Step 6: Final answer
    x = 18,241.67

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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.