Home / 45,099.96-67,633.26-15,509.64

Finding the Fourth Proportional to 45,099.96, 67,633.26 and 15,509.64

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Solution

The fourth proportional to 45,099.96, 67,633.26 and 15,509.64 is: 23,258.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,099.96 : 67,633.26 = 15,509.64 : x
  2. Step 2: Convert to fraction form
    45,099.96/67,633.26 = 15,509.64/x
  3. Step 3: Cross multiply
    45,099.96x = 67,633.26 × 15,509.64
  4. Step 4: Simplify right side
    45,099.96x = 1,048,967,514.63
  5. Step 5: Solve for x
    x = 1,048,967,514.63/45,099.96
  6. Step 6: Final answer
    x = 23,258.72

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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.