Home / 79,357.24-109,515.40-43,549.56

Finding the Fourth Proportional to 79,357.24, 109,515.40 and 43,549.56

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Solution

The fourth proportional to 79,357.24, 109,515.40 and 43,549.56 is: 60,099.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,357.24 : 109,515.40 = 43,549.56 : x
  2. Step 2: Convert to fraction form
    79,357.24/109,515.40 = 43,549.56/x
  3. Step 3: Cross multiply
    79,357.24x = 109,515.40 × 43,549.56
  4. Step 4: Simplify right side
    79,357.24x = 4,769,347,483.22
  5. Step 5: Solve for x
    x = 4,769,347,483.22/79,357.24
  6. Step 6: Final answer
    x = 60,099.71

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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.