Home / 50,701.88-69,954.30-30,281.54

Finding the Fourth Proportional to 50,701.88, 69,954.30 and 30,281.54

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Solution

The fourth proportional to 50,701.88, 69,954.30 and 30,281.54 is: 41,779.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,701.88 : 69,954.30 = 30,281.54 : x
  2. Step 2: Convert to fraction form
    50,701.88/69,954.30 = 30,281.54/x
  3. Step 3: Cross multiply
    50,701.88x = 69,954.30 × 30,281.54
  4. Step 4: Simplify right side
    50,701.88x = 2,118,323,933.62
  5. Step 5: Solve for x
    x = 2,118,323,933.62/50,701.88
  6. Step 6: Final answer
    x = 41,779.99

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.