Home / 55,401.86-83,008.26-30,462.80

Finding the Fourth Proportional to 55,401.86, 83,008.26 and 30,462.80

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Solution

The fourth proportional to 55,401.86, 83,008.26 and 30,462.80 is: 45,642.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,401.86 : 83,008.26 = 30,462.80 : x
  2. Step 2: Convert to fraction form
    55,401.86/83,008.26 = 30,462.80/x
  3. Step 3: Cross multiply
    55,401.86x = 83,008.26 × 30,462.80
  4. Step 4: Simplify right side
    55,401.86x = 2,528,664,022.73
  5. Step 5: Solve for x
    x = 2,528,664,022.73/55,401.86
  6. Step 6: Final answer
    x = 45,642.22

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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.