Home / 50,836.90-76,255.86-13,402.34

Finding the Fourth Proportional to 50,836.90, 76,255.86 and 13,402.34

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Solution

The fourth proportional to 50,836.90, 76,255.86 and 13,402.34 is: 20,103.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,836.90 : 76,255.86 = 13,402.34 : x
  2. Step 2: Convert to fraction form
    50,836.90/76,255.86 = 13,402.34/x
  3. Step 3: Cross multiply
    50,836.90x = 76,255.86 × 13,402.34
  4. Step 4: Simplify right side
    50,836.90x = 1,022,006,962.71
  5. Step 5: Solve for x
    x = 1,022,006,962.71/50,836.90
  6. Step 6: Final answer
    x = 20,103.64

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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.