Home / 48,126.88-72,202.62-18,536.77

Finding the Fourth Proportional to 48,126.88, 72,202.62 and 18,536.77

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Solution

The fourth proportional to 48,126.88, 72,202.62 and 18,536.77 is: 27,809.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,126.88 : 72,202.62 = 18,536.77 : x
  2. Step 2: Convert to fraction form
    48,126.88/72,202.62 = 18,536.77/x
  3. Step 3: Cross multiply
    48,126.88x = 72,202.62 × 18,536.77
  4. Step 4: Simplify right side
    48,126.88x = 1,338,403,520.10
  5. Step 5: Solve for x
    x = 1,338,403,520.10/48,126.88
  6. Step 6: Final answer
    x = 27,809.90

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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.