Home / 74,634.01-111,951.86-31,933.64

Finding the Fourth Proportional to 74,634.01, 111,951.86 and 31,933.64

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Solution

The fourth proportional to 74,634.01, 111,951.86 and 31,933.64 is: 47,900.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,634.01 : 111,951.86 = 31,933.64 : x
  2. Step 2: Convert to fraction form
    74,634.01/111,951.86 = 31,933.64/x
  3. Step 3: Cross multiply
    74,634.01x = 111,951.86 × 31,933.64
  4. Step 4: Simplify right side
    74,634.01x = 3,575,030,514.78
  5. Step 5: Solve for x
    x = 3,575,030,514.78/74,634.01
  6. Step 6: Final answer
    x = 47,900.82

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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.