Home / 52,307.78-78,453.97-17,242.88

Finding the Fourth Proportional to 52,307.78, 78,453.97 and 17,242.88

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Solution

The fourth proportional to 52,307.78, 78,453.97 and 17,242.88 is: 25,861.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,307.78 : 78,453.97 = 17,242.88 : x
  2. Step 2: Convert to fraction form
    52,307.78/78,453.97 = 17,242.88/x
  3. Step 3: Cross multiply
    52,307.78x = 78,453.97 × 17,242.88
  4. Step 4: Simplify right side
    52,307.78x = 1,352,771,954.86
  5. Step 5: Solve for x
    x = 1,352,771,954.86/52,307.78
  6. Step 6: Final answer
    x = 25,861.78

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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.