Home / 75,665.72-113,494.26-28,923.32

Finding the Fourth Proportional to 75,665.72, 113,494.26 and 28,923.32

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Solution

The fourth proportional to 75,665.72, 113,494.26 and 28,923.32 is: 43,383.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,665.72 : 113,494.26 = 28,923.32 : x
  2. Step 2: Convert to fraction form
    75,665.72/113,494.26 = 28,923.32/x
  3. Step 3: Cross multiply
    75,665.72x = 113,494.26 × 28,923.32
  4. Step 4: Simplify right side
    75,665.72x = 3,282,630,800.14
  5. Step 5: Solve for x
    x = 3,282,630,800.14/75,665.72
  6. Step 6: Final answer
    x = 43,383.33

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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.