Home / 53,839.20-80,875.20-45,535.68

Finding the Fourth Proportional to 53,839.20, 80,875.20 and 45,535.68

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Solution

The fourth proportional to 53,839.20, 80,875.20 and 45,535.68 is: 68,401.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,839.20 : 80,875.20 = 45,535.68 : x
  2. Step 2: Convert to fraction form
    53,839.20/80,875.20 = 45,535.68/x
  3. Step 3: Cross multiply
    53,839.20x = 80,875.20 × 45,535.68
  4. Step 4: Simplify right side
    53,839.20x = 3,682,707,227.14
  5. Step 5: Solve for x
    x = 3,682,707,227.14/53,839.20
  6. Step 6: Final answer
    x = 68,401.97

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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.