Home / 55,632.96-83,401.92-20,566.08

Finding the Fourth Proportional to 55,632.96, 83,401.92 and 20,566.08

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Solution

The fourth proportional to 55,632.96, 83,401.92 and 20,566.08 is: 30,831.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,632.96 : 83,401.92 = 20,566.08 : x
  2. Step 2: Convert to fraction form
    55,632.96/83,401.92 = 20,566.08/x
  3. Step 3: Cross multiply
    55,632.96x = 83,401.92 × 20,566.08
  4. Step 4: Simplify right side
    55,632.96x = 1,715,250,558.87
  5. Step 5: Solve for x
    x = 1,715,250,558.87/55,632.96
  6. Step 6: Final answer
    x = 30,831.55

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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.