Home / 75,046.60-112,528.32-30,704.48

Finding the Fourth Proportional to 75,046.60, 112,528.32 and 30,704.48

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Solution

The fourth proportional to 75,046.60, 112,528.32 and 30,704.48 is: 46,039.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,046.60 : 112,528.32 = 30,704.48 : x
  2. Step 2: Convert to fraction form
    75,046.60/112,528.32 = 30,704.48/x
  3. Step 3: Cross multiply
    75,046.60x = 112,528.32 × 30,704.48
  4. Step 4: Simplify right side
    75,046.60x = 3,455,123,550.87
  5. Step 5: Solve for x
    x = 3,455,123,550.87/75,046.60
  6. Step 6: Final answer
    x = 46,039.71

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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.