Home / 50,353.12-75,538.86-20,754.52

Finding the Fourth Proportional to 50,353.12, 75,538.86 and 20,754.52

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Solution

The fourth proportional to 50,353.12, 75,538.86 and 20,754.52 is: 31,135.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,353.12 : 75,538.86 = 20,754.52 : x
  2. Step 2: Convert to fraction form
    50,353.12/75,538.86 = 20,754.52/x
  3. Step 3: Cross multiply
    50,353.12x = 75,538.86 × 20,754.52
  4. Step 4: Simplify right side
    50,353.12x = 1,567,772,780.65
  5. Step 5: Solve for x
    x = 1,567,772,780.65/50,353.12
  6. Step 6: Final answer
    x = 31,135.56

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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.