Home / 50,742.86-76,121.58-15,685.25

Finding the Fourth Proportional to 50,742.86, 76,121.58 and 15,685.25

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Solution

The fourth proportional to 50,742.86, 76,121.58 and 15,685.25 is: 23,530.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,742.86 : 76,121.58 = 15,685.25 : x
  2. Step 2: Convert to fraction form
    50,742.86/76,121.58 = 15,685.25/x
  3. Step 3: Cross multiply
    50,742.86x = 76,121.58 × 15,685.25
  4. Step 4: Simplify right side
    50,742.86x = 1,193,986,012.70
  5. Step 5: Solve for x
    x = 1,193,986,012.70/50,742.86
  6. Step 6: Final answer
    x = 23,530.13

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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.