Home / 75,464.97-113,037.53-51,660.86

Finding the Fourth Proportional to 75,464.97, 113,037.53 and 51,660.86

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Solution

The fourth proportional to 75,464.97, 113,037.53 and 51,660.86 is: 77,381.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,464.97 : 113,037.53 = 51,660.86 : x
  2. Step 2: Convert to fraction form
    75,464.97/113,037.53 = 51,660.86/x
  3. Step 3: Cross multiply
    75,464.97x = 113,037.53 × 51,660.86
  4. Step 4: Simplify right side
    75,464.97x = 5,839,615,188.58
  5. Step 5: Solve for x
    x = 5,839,615,188.58/75,464.97
  6. Step 6: Final answer
    x = 77,381.80

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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.