Home / 37,173.08-55,747.88-12,209.02

Finding the Fourth Proportional to 37,173.08, 55,747.88 and 12,209.02

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Solution

The fourth proportional to 37,173.08, 55,747.88 and 12,209.02 is: 18,309.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,173.08 : 55,747.88 = 12,209.02 : x
  2. Step 2: Convert to fraction form
    37,173.08/55,747.88 = 12,209.02/x
  3. Step 3: Cross multiply
    37,173.08x = 55,747.88 × 12,209.02
  4. Step 4: Simplify right side
    37,173.08x = 680,626,642.09
  5. Step 5: Solve for x
    x = 680,626,642.09/37,173.08
  6. Step 6: Final answer
    x = 18,309.67

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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.