Home / 52,138.80-71,992.96-48,158.48

Finding the Fourth Proportional to 52,138.80, 71,992.96 and 48,158.48

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Solution

The fourth proportional to 52,138.80, 71,992.96 and 48,158.48 is: 66,496.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,138.80 : 71,992.96 = 48,158.48 : x
  2. Step 2: Convert to fraction form
    52,138.80/71,992.96 = 48,158.48/x
  3. Step 3: Cross multiply
    52,138.80x = 71,992.96 × 48,158.48
  4. Step 4: Simplify right side
    52,138.80x = 3,467,071,524.30
  5. Step 5: Solve for x
    x = 3,467,071,524.30/52,138.80
  6. Step 6: Final answer
    x = 66,496.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.