Home / 55,401.96-83,081.06-20,322.48

Finding the Fourth Proportional to 55,401.96, 83,081.06 and 20,322.48

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Solution

The fourth proportional to 55,401.96, 83,081.06 and 20,322.48 is: 30,475.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,401.96 : 83,081.06 = 20,322.48 : x
  2. Step 2: Convert to fraction form
    55,401.96/83,081.06 = 20,322.48/x
  3. Step 3: Cross multiply
    55,401.96x = 83,081.06 × 20,322.48
  4. Step 4: Simplify right side
    55,401.96x = 1,688,413,180.23
  5. Step 5: Solve for x
    x = 1,688,413,180.23/55,401.96
  6. Step 6: Final answer
    x = 30,475.69

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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.