Home / 55,679.40-83,527.20-18,233.10

Finding the Fourth Proportional to 55,679.40, 83,527.20 and 18,233.10

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Solution

The fourth proportional to 55,679.40, 83,527.20 and 18,233.10 is: 27,352.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,679.40 : 83,527.20 = 18,233.10 : x
  2. Step 2: Convert to fraction form
    55,679.40/83,527.20 = 18,233.10/x
  3. Step 3: Cross multiply
    55,679.40x = 83,527.20 × 18,233.10
  4. Step 4: Simplify right side
    55,679.40x = 1,522,959,790.32
  5. Step 5: Solve for x
    x = 1,522,959,790.32/55,679.40
  6. Step 6: Final answer
    x = 27,352.30

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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.