Home / 75,845.39-113,675.85-53,665.16

Finding the Fourth Proportional to 75,845.39, 113,675.85 and 53,665.16

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Solution

The fourth proportional to 75,845.39, 113,675.85 and 53,665.16 is: 80,432.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,845.39 : 113,675.85 = 53,665.16 : x
  2. Step 2: Convert to fraction form
    75,845.39/113,675.85 = 53,665.16/x
  3. Step 3: Cross multiply
    75,845.39x = 113,675.85 × 53,665.16
  4. Step 4: Simplify right side
    75,845.39x = 6,100,432,110.01
  5. Step 5: Solve for x
    x = 6,100,432,110.01/75,845.39
  6. Step 6: Final answer
    x = 80,432.48

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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.