Home / 52,635.72-78,662.49-47,153.64

Finding the Fourth Proportional to 52,635.72, 78,662.49 and 47,153.64

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Solution

The fourth proportional to 52,635.72, 78,662.49 and 47,153.64 is: 70,469.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,635.72 : 78,662.49 = 47,153.64 : x
  2. Step 2: Convert to fraction form
    52,635.72/78,662.49 = 47,153.64/x
  3. Step 3: Cross multiply
    52,635.72x = 78,662.49 × 47,153.64
  4. Step 4: Simplify right side
    52,635.72x = 3,709,222,734.96
  5. Step 5: Solve for x
    x = 3,709,222,734.96/52,635.72
  6. Step 6: Final answer
    x = 70,469.69

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.