Home / 48,699.45-73,081.98-19,113.78

Finding the Fourth Proportional to 48,699.45, 73,081.98 and 19,113.78

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Solution

The fourth proportional to 48,699.45, 73,081.98 and 19,113.78 is: 28,683.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,699.45 : 73,081.98 = 19,113.78 : x
  2. Step 2: Convert to fraction form
    48,699.45/73,081.98 = 19,113.78/x
  3. Step 3: Cross multiply
    48,699.45x = 73,081.98 × 19,113.78
  4. Step 4: Simplify right side
    48,699.45x = 1,396,872,887.68
  5. Step 5: Solve for x
    x = 1,396,872,887.68/48,699.45
  6. Step 6: Final answer
    x = 28,683.55

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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.