Home / 79,353.47-109,507.49-43,544.09

Finding the Fourth Proportional to 79,353.47, 109,507.49 and 43,544.09

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Solution

The fourth proportional to 79,353.47, 109,507.49 and 43,544.09 is: 60,090.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,353.47 : 109,507.49 = 43,544.09 : x
  2. Step 2: Convert to fraction form
    79,353.47/109,507.49 = 43,544.09/x
  3. Step 3: Cross multiply
    79,353.47x = 109,507.49 × 43,544.09
  4. Step 4: Simplify right side
    79,353.47x = 4,768,403,234.98
  5. Step 5: Solve for x
    x = 4,768,403,234.98/79,353.47
  6. Step 6: Final answer
    x = 60,090.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.