Home / 42,455.14-63,645.35-33,043.75

Finding the Fourth Proportional to 42,455.14, 63,645.35 and 33,043.75

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Solution

The fourth proportional to 42,455.14, 63,645.35 and 33,043.75 is: 49,536.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,455.14 : 63,645.35 = 33,043.75 : x
  2. Step 2: Convert to fraction form
    42,455.14/63,645.35 = 33,043.75/x
  3. Step 3: Cross multiply
    42,455.14x = 63,645.35 × 33,043.75
  4. Step 4: Simplify right side
    42,455.14x = 2,103,080,709.73
  5. Step 5: Solve for x
    x = 2,103,080,709.73/42,455.14
  6. Step 6: Final answer
    x = 49,536.54

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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.