Home / 55,363.33-83,081.67-30,420.77

Finding the Fourth Proportional to 55,363.33, 83,081.67 and 30,420.77

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Solution

The fourth proportional to 55,363.33, 83,081.67 and 30,420.77 is: 45,651.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,363.33 : 83,081.67 = 30,420.77 : x
  2. Step 2: Convert to fraction form
    55,363.33/83,081.67 = 30,420.77/x
  3. Step 3: Cross multiply
    55,363.33x = 83,081.67 × 30,420.77
  4. Step 4: Simplify right side
    55,363.33x = 2,527,407,844.80
  5. Step 5: Solve for x
    x = 2,527,407,844.80/55,363.33
  6. Step 6: Final answer
    x = 45,651.30

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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.