Home / 48,755.42-73,138.62-19,169.36

Finding the Fourth Proportional to 48,755.42, 73,138.62 and 19,169.36

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Solution

The fourth proportional to 48,755.42, 73,138.62 and 19,169.36 is: 28,756.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,755.42 : 73,138.62 = 19,169.36 : x
  2. Step 2: Convert to fraction form
    48,755.42/73,138.62 = 19,169.36/x
  3. Step 3: Cross multiply
    48,755.42x = 73,138.62 × 19,169.36
  4. Step 4: Simplify right side
    48,755.42x = 1,402,020,536.68
  5. Step 5: Solve for x
    x = 1,402,020,536.68/48,755.42
  6. Step 6: Final answer
    x = 28,756.20

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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.