Home / 75,665.19-104,416.68-41,676.86

Finding the Fourth Proportional to 75,665.19, 104,416.68 and 41,676.86

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Solution

The fourth proportional to 75,665.19, 104,416.68 and 41,676.86 is: 57,513.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,665.19 : 104,416.68 = 41,676.86 : x
  2. Step 2: Convert to fraction form
    75,665.19/104,416.68 = 41,676.86/x
  3. Step 3: Cross multiply
    75,665.19x = 104,416.68 × 41,676.86
  4. Step 4: Simplify right side
    75,665.19x = 4,351,759,145.64
  5. Step 5: Solve for x
    x = 4,351,759,145.64/75,665.19
  6. Step 6: Final answer
    x = 57,513.36

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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.