Home / 52,958.75-79,438.05-13,515.86

Finding the Fourth Proportional to 52,958.75, 79,438.05 and 13,515.86

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Solution

The fourth proportional to 52,958.75, 79,438.05 and 13,515.86 is: 20,273.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,958.75 : 79,438.05 = 13,515.86 : x
  2. Step 2: Convert to fraction form
    52,958.75/79,438.05 = 13,515.86/x
  3. Step 3: Cross multiply
    52,958.75x = 79,438.05 × 13,515.86
  4. Step 4: Simplify right side
    52,958.75x = 1,073,673,165.28
  5. Step 5: Solve for x
    x = 1,073,673,165.28/52,958.75
  6. Step 6: Final answer
    x = 20,273.77

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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.