Home / 75,504.86-113,010.82-55,509.04

Finding the Fourth Proportional to 75,504.86, 113,010.82 and 55,509.04

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Solution

The fourth proportional to 75,504.86, 113,010.82 and 55,509.04 is: 83,082.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,504.86 : 113,010.82 = 55,509.04 : x
  2. Step 2: Convert to fraction form
    75,504.86/113,010.82 = 55,509.04/x
  3. Step 3: Cross multiply
    75,504.86x = 113,010.82 × 55,509.04
  4. Step 4: Simplify right side
    75,504.86x = 6,273,122,127.81
  5. Step 5: Solve for x
    x = 6,273,122,127.81/75,504.86
  6. Step 6: Final answer
    x = 83,082.36

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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.