Home / 52,103.35-78,173.85-20,495.96

Finding the Fourth Proportional to 52,103.35, 78,173.85 and 20,495.96

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Solution

The fourth proportional to 52,103.35, 78,173.85 and 20,495.96 is: 30,751.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,103.35 : 78,173.85 = 20,495.96 : x
  2. Step 2: Convert to fraction form
    52,103.35/78,173.85 = 20,495.96/x
  3. Step 3: Cross multiply
    52,103.35x = 78,173.85 × 20,495.96
  4. Step 4: Simplify right side
    52,103.35x = 1,602,247,711.78
  5. Step 5: Solve for x
    x = 1,602,247,711.78/52,103.35
  6. Step 6: Final answer
    x = 30,751.34

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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.