Home / 75,484.10-104,177.88-48,704.51

Finding the Fourth Proportional to 75,484.10, 104,177.88 and 48,704.51

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Solution

The fourth proportional to 75,484.10, 104,177.88 and 48,704.51 is: 67,218.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,484.10 : 104,177.88 = 48,704.51 : x
  2. Step 2: Convert to fraction form
    75,484.10/104,177.88 = 48,704.51/x
  3. Step 3: Cross multiply
    75,484.10x = 104,177.88 × 48,704.51
  4. Step 4: Simplify right side
    75,484.10x = 5,073,932,858.68
  5. Step 5: Solve for x
    x = 5,073,932,858.68/75,484.10
  6. Step 6: Final answer
    x = 67,218.56

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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.